86613402 has 64 divisors (see below), whose sum is σ = 190512000. Its totient is φ = 26142720.

The previous prime is 86613391. The next prime is 86613403. The reversal of 86613402 is 20431668.

It is a self number, because there is not a number n which added to its sum of digits gives 86613402.

It is not an unprimeable number, because it can be changed into a prime (86613403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581224 + ... + 581372.

It is an arithmetic number, because the mean of its divisors is an integer number (2976750).

Almost surely, 2^86613402 is an apocalyptic number.

86613402 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

86613402 is the 7599-th pentagonal number.

86613402 is an abundant number, since it is smaller than the sum of its proper divisors (103898598).

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

86613402 is a wasteful number, since it uses less digits than its factorization.

86613402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 86613402 is about 9306.6321513209. The cubic root of 86613402 is about 442.4474526641.

The spelling of 86613402 in words is "eighty-six million, six hundred thirteen thousand, four hundred two".