86131232 has 24 divisors (see below), whose sum is σ = 184987152. Its totient is φ = 39150400.

The previous prime is 86131229. The next prime is 86131261. The reversal of 86131232 is 23213168.

It is a super-3 number, since 3×86131232³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121994 + ... + 122697.

It is an arithmetic number, because the mean of its divisors is an integer number (7707798).

Almost surely, 2^86131232 is an apocalyptic number.

It is an amenable number.

86131232 is an abundant number, since it is smaller than the sum of its proper divisors (98855920).

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

86131232 is a wasteful number, since it uses less digits than its factorization.

86131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244712 (or 244704 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 86131232 is about 9280.6913535577. The cubic root of 86131232 is about 441.6249010148.

The spelling of 86131232 in words is "eighty-six million, one hundred thirty-one thousand, two hundred thirty-two".