3189240 has 64 divisors (see below), whose sum is σ = 10634400. Its totient is φ = 850176.

The previous prime is 3189239. The next prime is 3189253. The reversal of 3189240 is 429813.

3189240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397 + ... + 2556.

Almost surely, 2^3189240 is an apocalyptic number.

3189240 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 3189240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5317200).

3189240 is an abundant number, since it is smaller than the sum of its proper divisors (7445160).

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

3189240 is a wasteful number, since it uses less digits than its factorization.

3189240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3189240 is about 1785.8443381213. The cubic root of 3189240 is about 147.1959070617.

The spelling of 3189240 in words is "three million, one hundred eighty-nine thousand, two hundred forty".