3162240 has 160 divisors (see below), whose sum is σ = 11478060. Its totient is φ = 829440.

The previous prime is 3162167. The next prime is 3162253. The reversal of 3162240 is 422613.

It is a happy number.

3162240 is a `hidden beast` number, since 3 + 1 + 622 + 40 = 666.

3162240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 419904 = 1656^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51810 + ... + 51870.

Almost surely, 2^3162240 is an apocalyptic number.

3162240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3162240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5739030).

3162240 is an abundant number, since it is smaller than the sum of its proper divisors (8315820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3162240 is an equidigital number, since it uses as much as digits as its factorization.

3162240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3162240 is about 1778.2688210729. The cubic root of 3162240 is about 146.7793440832.

Adding to 3162240 its reverse (422613), we get a palindrome (3584853).

It can be divided in two parts, 316 and 2240, that added together give a triangular number (2556 = T₇₁).

The spelling of 3162240 in words is "three million, one hundred sixty-two thousand, two hundred forty".