86528190 has 32 divisors (see below), whose sum is σ = 237335040. Its totient is φ = 19777824.

The previous prime is 86528179. The next prime is 86528191. The reversal of 86528190 is 9182568.

It is a super-2 number, since 2×86528190² = 14974255329352200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86528191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205810 + ... + 206229.

It is an arithmetic number, because the mean of its divisors is an integer number (7416720).

Almost surely, 2^86528190 is an apocalyptic number.

86528190 is an abundant number, since it is smaller than the sum of its proper divisors (150806850).

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

86528190 is a wasteful number, since it uses less digits than its factorization.

86528190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412056.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 86528190 is about 9302.0529992040. The cubic root of 86528190 is about 442.3023088327.

The spelling of 86528190 in words is "eighty-six million, five hundred twenty-eight thousand, one hundred ninety".