86413860 has 72 divisors (see below), whose sum is σ = 282292920. Its totient is φ = 21270528.

The previous prime is 86413849. The next prime is 86413867. The reversal of 86413860 is 6831468.

It is a happy number.

86413860 is a `hidden beast` number, since 8 + 641 + 3 + 8 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5089536 + 81324324 = 2256^2 + 9018^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86413867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16125 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (3920735).

Almost surely, 2^86413860 is an apocalyptic number.

It is an amenable number.

86413860 is an abundant number, since it is smaller than the sum of its proper divisors (195879060).

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

86413860 is a wasteful number, since it uses less digits than its factorization.

86413860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36957 (or 36952 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 86413860 is about 9295.9055502947. The cubic root of 86413860 is about 442.1074177750.

The spelling of 86413860 in words is "eighty-six million, four hundred thirteen thousand, eight hundred sixty".