86036581 has 8 divisors (see below), whose sum is σ = 88497440. Its totient is φ = 83582928.

The previous prime is 86036569. The next prime is 86036603. The reversal of 86036581 is 18563068.

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 86036581 - 2⁵ = 86036549 is a prime.

It is a super-2 number, since 2×86036581² = 14804586540339122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86036581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86036521) 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, 30430 + ... + 33136.

It is an arithmetic number, because the mean of its divisors is an integer number (11062180).

Almost surely, 2^86036581 is an apocalyptic number.

It is an amenable number.

86036581 is a deficient number, since it is larger than the sum of its proper divisors (2460859).

86036581 is a wasteful number, since it uses less digits than its factorization.

86036581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 86036581 is about 9275.5906011423. The cubic root of 86036581 is about 441.4630721461.

The spelling of 86036581 in words is "eighty-six million, thirty-six thousand, five hundred eighty-one".