28696976 has 40 divisors (see below), whose sum is σ = 69322944. Its totient is φ = 11180160.

The previous prime is 28696961. The next prime is 28696999. The reversal of 28696976 is 67969682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10415 + ... + 12878.

Almost surely, 2^28696976 is an apocalyptic number.

It is an amenable number.

28696976 is an abundant number, since it is smaller than the sum of its proper divisors (40625968).

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

28696976 is a wasteful number, since it uses less digits than its factorization.

28696976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319 (or 23313 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 28696976 is about 5356.9558519741. The cubic root of 28696976 is about 306.1578350454.

The spelling of 28696976 in words is "twenty-eight million, six hundred ninety-six thousand, nine hundred seventy-six".