86131396 has 24 divisors (see below), whose sum is σ = 162721944. Its totient is φ = 39655680.

The previous prime is 86131391. The next prime is 86131411. The reversal of 86131396 is 69313168.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 86118400 = 114^2 + 9280^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86131391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22176 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (6780081).

Almost surely, 2^86131396 is an apocalyptic number.

It is an amenable number.

86131396 is a deficient number, since it is larger than the sum of its proper divisors (76590548).

86131396 is a wasteful number, since it uses less digits than its factorization.

86131396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4069 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 86131396 is about 9280.7001891021. The cubic root of 86131396 is about 441.6251813097.

The spelling of 86131396 in words is "eighty-six million, one hundred thirty-one thousand, three hundred ninety-six".