28675290 has 48 divisors (see below), whose sum is σ = 80060832. Its totient is φ = 6554016.

The previous prime is 28675271. The next prime is 28675327. The reversal of 28675290 is 9257682.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8284 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (1667934).

Almost surely, 2^28675290 is an apocalyptic number.

28675290 is an abundant number, since it is smaller than the sum of its proper divisors (51385542).

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

28675290 is a wasteful number, since it uses less digits than its factorization.

28675290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19531 (or 19524 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 28675290 is about 5354.9313721093. The cubic root of 28675290 is about 306.0806955362.

The spelling of 28675290 in words is "twenty-eight million, six hundred seventy-five thousand, two hundred ninety".