3162440 has 32 divisors (see below), whose sum is σ = 7172280. Its totient is φ = 1254912.

The previous prime is 3162413. The next prime is 3162443. The reversal of 3162440 is 442613.

It is a happy number.

3162440 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 4 ways, for example, as 3161284 + 1156 = 1778^2 + 34^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6692 + ... + 7148.

Almost surely, 2^3162440 is an apocalyptic number.

It is an amenable number.

3162440 is an abundant number, since it is smaller than the sum of its proper divisors (4009840).

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

3162440 is a wasteful number, since it uses less digits than its factorization.

3162440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3162440 is about 1778.3250546511. The cubic root of 3162440 is about 146.7824384351.

The spelling of 3162440 in words is "three million, one hundred sixty-two thousand, four hundred forty".