86231136 has 24 divisors (see below), whose sum is σ = 226356984. Its totient is φ = 28743680.

The previous prime is 86231113. The next prime is 86231147. The reversal of 86231136 is 63113268.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

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, 449025 + ... + 449216.

It is an arithmetic number, because the mean of its divisors is an integer number (9431541).

Almost surely, 2^86231136 is an apocalyptic number.

It is an amenable number.

86231136 is an abundant number, since it is smaller than the sum of its proper divisors (140125848).

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

86231136 is a wasteful number, since it uses less digits than its factorization.

86231136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898254 (or 898246 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 86231136 is about 9286.0721513458. The cubic root of 86231136 is about 441.7955826042.

The spelling of 86231136 in words is "eighty-six million, two hundred thirty-one thousand, one hundred thirty-six".