2499928 has 16 divisors (see below), whose sum is σ = 4712760. Its totient is φ = 1243200.

The previous prime is 2499923. The next prime is 2499941. The reversal of 2499928 is 8299942.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948 + ... + 2428.

2^2499928 is an apocalyptic number.

It is an amenable number.

2499928 is a deficient number, since it is larger than the sum of its proper divisors (2212832).

2499928 is a wasteful number, since it uses less digits than its factorization.

2499928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1694 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 2499928 is about 1581.1160615211. The cubic root of 2499928 is about 135.7195778968.

It can be divided in two parts, 249992 and 8, that added together give a square (250000 = 500²).

The spelling of 2499928 in words is "two million, four hundred ninety-nine thousand, nine hundred twenty-eight".