2403972 has 24 divisors (see below), whose sum is σ = 6232800. Its totient is φ = 801288.

The previous prime is 2403971. The next prime is 2403977. The reversal of 2403972 is 2793042.

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

It is not an unprimeable number, because it can be changed into a prime (2403971) 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, 11022 + ... + 11237.

It is an arithmetic number, because the mean of its divisors is an integer number (259700).

2^2403972 is an apocalyptic number.

It is an amenable number.

2403972 is an abundant number, since it is smaller than the sum of its proper divisors (3828828).

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

2403972 is a wasteful number, since it uses less digits than its factorization.

2403972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272 (or 22264 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2403972 is about 1550.4747659991. The cubic root of 2403972 is about 133.9604100762.

It can be divided in two parts, 2403 and 972, that added together give a cube (3375 = 15³).

The spelling of 2403972 in words is "two million, four hundred three thousand, nine hundred seventy-two".