86239361 has 8 divisors (see below), whose sum is σ = 93062760. Its totient is φ = 79443072.

The previous prime is 86239357. The next prime is 86239379. The reversal of 86239361 is 16393268.

It can be written as a sum of positive squares in 4 ways, for example, as 14938225 + 71301136 = 3865^2 + 8444^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86239361 - 2² = 86239357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86239331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (11632845).

Almost surely, 2^86239361 is an apocalyptic number.

It is an amenable number.

86239361 is a deficient number, since it is larger than the sum of its proper divisors (6823399).

86239361 is a wasteful number, since it uses less digits than its factorization.

86239361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555.

The product of its digits is 46656, while the sum is 38.

The square root of 86239361 is about 9286.5150083333. The cubic root of 86239361 is about 441.8096287802.

The spelling of 86239361 in words is "eighty-six million, two hundred thirty-nine thousand, three hundred sixty-one".