2497904 has 10 divisors (see below), whose sum is σ = 4839720. Its totient is φ = 1248944.

The previous prime is 2497903. The next prime is 2497927. The reversal of 2497904 is 4097942.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78044 + ... + 78075.

It is an arithmetic number, because the mean of its divisors is an integer number (483972).

2^2497904 is an apocalyptic number.

It is an amenable number.

2497904 is a deficient number, since it is larger than the sum of its proper divisors (2341816).

2497904 is a wasteful number, since it uses less digits than its factorization.

2497904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156127 (or 156121 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2497904 is about 1580.4758777027. The cubic root of 2497904 is about 135.6829407626.

The spelling of 2497904 in words is "two million, four hundred ninety-seven thousand, nine hundred four".