86208290 has 16 divisors (see below), whose sum is σ = 177342912. Its totient is φ = 29557104.

The previous prime is 86208259. The next prime is 86208299. The reversal of 86208290 is 9280268.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 86208290.

It is not an unprimeable number, because it can be changed into a prime (86208299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615704 + ... + 615843.

It is an arithmetic number, because the mean of its divisors is an integer number (11083932).

Almost surely, 2^86208290 is an apocalyptic number.

86208290 is an abundant number, since it is smaller than the sum of its proper divisors (91134622).

86208290 is a wasteful number, since it uses less digits than its factorization.

86208290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231561.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 86208290 is about 9284.8419480355. The cubic root of 86208290 is about 441.7565628493.

The spelling of 86208290 in words is "eighty-six million, two hundred eight thousand, two hundred ninety".