86138312 has 32 divisors (see below), whose sum is σ = 181500480. Its totient is φ = 38026560.

The previous prime is 86138309. The next prime is 86138329. The reversal of 86138312 is 21383168.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15614 + ... + 20397.

It is an arithmetic number, because the mean of its divisors is an integer number (5671890).

Almost surely, 2^86138312 is an apocalyptic number.

It is an amenable number.

86138312 is an abundant number, since it is smaller than the sum of its proper divisors (95362168).

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

86138312 is a wasteful number, since it uses less digits than its factorization.

86138312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36053 (or 36049 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 86138312 is about 9281.0727828199. The cubic root of 86138312 is about 441.6370012273.

The spelling of 86138312 in words is "eighty-six million, one hundred thirty-eight thousand, three hundred twelve".