28672936 has 16 divisors (see below), whose sum is σ = 54064800. Its totient is φ = 14255664.

The previous prime is 28672933. The next prime is 28672939. The reversal of 28672936 is 63927682.

It is an interprime number because it is at equal distance from previous prime (28672933) and next prime (28672939).

It is a junction number, because it is equal to n+sod(n) for n = 28672892 and 28672901.

It is not an unprimeable number, because it can be changed into a prime (28672933) 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, 8580 + ... + 11443.

It is an arithmetic number, because the mean of its divisors is an integer number (3379050).

Almost surely, 2^28672936 is an apocalyptic number.

It is an amenable number.

28672936 is a deficient number, since it is larger than the sum of its proper divisors (25391864).

28672936 is a wasteful number, since it uses less digits than its factorization.

28672936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208 (or 20204 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 28672936 is about 5354.7115701968. The cubic root of 28672936 is about 306.0723197572.

The spelling of 28672936 in words is "twenty-eight million, six hundred seventy-two thousand, nine hundred thirty-six".