28373976 has 40 divisors (see below), whose sum is σ = 79475220. Its totient is φ = 9457776.

The previous prime is 28373963. The next prime is 28373993. The reversal of 28373976 is 67937382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21246 + ... + 22541.

Almost surely, 2^28373976 is an apocalyptic number.

It is an amenable number.

28373976 is an abundant number, since it is smaller than the sum of its proper divisors (51101244).

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

28373976 is a wasteful number, since it uses less digits than its factorization.

28373976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43805 (or 43792 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 28373976 is about 5326.7228198959. The cubic root of 28373976 is about 305.0048409157.

The spelling of 28373976 in words is "twenty-eight million, three hundred seventy-three thousand, nine hundred seventy-six".