28210976 has 24 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 14018368.

The previous prime is 28210969. The next prime is 28211009. The reversal of 28210976 is 67901282.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^28210976 is an apocalyptic number.

It is an amenable number.

28210976 is a deficient number, since it is larger than the sum of its proper divisors (27672544).

28210976 is a wasteful number, since it uses less digits than its factorization.

28210976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5448 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28210976 is about 5311.4005685883. The cubic root of 28210976 is about 304.4196650860.

The spelling of 28210976 in words is "twenty-eight million, two hundred ten thousand, nine hundred seventy-six".