28685010 has 32 divisors (see below), whose sum is σ = 69532992. Its totient is φ = 7572800.

The previous prime is 28684991. The next prime is 28685021. The reversal of 28685010 is 1058682.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1704 + ... + 7763.

It is an arithmetic number, because the mean of its divisors is an integer number (2172906).

Almost surely, 2^28685010 is an apocalyptic number.

28685010 is an abundant number, since it is smaller than the sum of its proper divisors (40847982).

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

28685010 is a wasteful number, since it uses less digits than its factorization.

28685010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 28685010 is about 5355.8388698690. The cubic root of 28685010 is about 306.1152754627.

The spelling of 28685010 in words is "twenty-eight million, six hundred eighty-five thousand, ten".