28685082 has 16 divisors (see below), whose sum is σ = 57625632. Its totient is φ = 9519120.

The previous prime is 28685081. The next prime is 28685093. The reversal of 28685082 is 28058682.

It is a self number, because there is not a number n which added to its sum of digits gives 28685082.

It is not an unprimeable number, because it can be changed into a prime (28685081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9169 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (3601602).

Almost surely, 2^28685082 is an apocalyptic number.

28685082 is an abundant number, since it is smaller than the sum of its proper divisors (28940550).

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

28685082 is a wasteful number, since it uses less digits than its factorization.

28685082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21293.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 28685082 is about 5355.8455915009. The cubic root of 28685082 is about 306.1155315812.

The spelling of 28685082 in words is "twenty-eight million, six hundred eighty-five thousand, eighty-two".