2504172 has 48 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 744000.

The previous prime is 2504167. The next prime is 2504189. The reversal of 2504172 is 2714052.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7897 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (135408).

2^2504172 is an apocalyptic number.

2504172 is a gapful number since it is divisible by the number (22) 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 2504172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249792).

2504172 is an abundant number, since it is smaller than the sum of its proper divisors (3995412).

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

2504172 is a wasteful number, since it uses less digits than its factorization.

2504172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2504172 is about 1582.4575823699. The cubic root of 2504172 is about 135.7963358741.

The spelling of 2504172 in words is "two million, five hundred four thousand, one hundred seventy-two".