28376404 has 48 divisors (see below), whose sum is σ = 58665600. Its totient is φ = 11759616.

The previous prime is 28376393. The next prime is 28376419. The reversal of 28376404 is 40467382.

It is a self number, because there is not a number n which added to its sum of digits gives 28376404.

It is a congruent number.

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, 146932 + ... + 147124.

It is an arithmetic number, because the mean of its divisors is an integer number (1222200).

Almost surely, 2^28376404 is an apocalyptic number.

It is an amenable number.

28376404 is an abundant number, since it is smaller than the sum of its proper divisors (30289196).

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

28376404 is a wasteful number, since it uses less digits than its factorization.

28376404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 28376404 is about 5326.9507225053. The cubic root of 28376404 is about 305.0135405616.

The spelling of 28376404 in words is "twenty-eight million, three hundred seventy-six thousand, four hundred four".