86489808 has 20 divisors (see below), whose sum is σ = 223432128. Its totient is φ = 28829920.

The previous prime is 86489773. The next prime is 86489927. The reversal of 86489808 is 80898468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900888 + ... + 900983.

Almost surely, 2^86489808 is an apocalyptic number.

It is an amenable number.

86489808 is an abundant number, since it is smaller than the sum of its proper divisors (136942320).

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

86489808 is a wasteful number, since it uses less digits than its factorization.

86489808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801882 (or 1801876 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The square root of 86489808 is about 9299.9896774136. The cubic root of 86489808 is about 442.2369006385.

The spelling of 86489808 in words is "eighty-six million, four hundred eighty-nine thousand, eight hundred eight".