86490828 has 30 divisors (see below), whose sum is σ = 226104956. Its totient is φ = 28830168.

The previous prime is 86490809. The next prime is 86490841. The reversal of 86490828 is 82809468.

It is a happy number.

86490828 is a `hidden beast` number, since 86 + 490 + 82 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 133150 + ... + 133797.

Almost surely, 2^86490828 is an apocalyptic number.

It is an amenable number.

86490828 is an abundant number, since it is smaller than the sum of its proper divisors (139614128).

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

86490828 is a wasteful number, since it uses less digits than its factorization.

86490828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266963 (or 266952 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 86490828 is about 9300.0445160225. The cubic root of 86490828 is about 442.2386391088.

The spelling of 86490828 in words is "eighty-six million, four hundred ninety thousand, eight hundred twenty-eight".