28764976 has 20 divisors (see below), whose sum is σ = 56566072. Its totient is φ = 14167296.

The previous prime is 28764971. The next prime is 28765001. The reversal of 28764976 is 67946782.

It is not an unprimeable number, because it can be changed into a prime (28764971) 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, 12345 + ... + 14488.

Almost surely, 2^28764976 is an apocalyptic number.

It is an amenable number.

28764976 is a deficient number, since it is larger than the sum of its proper divisors (27801096).

28764976 is a wasteful number, since it uses less digits than its factorization.

28764976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908 (or 26902 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 28764976 is about 5363.2989847667. The cubic root of 28764976 is about 306.3994668984.

The spelling of 28764976 in words is "twenty-eight million, seven hundred sixty-four thousand, nine hundred seventy-six".