86840616 has 32 divisors (see below), whose sum is σ = 224589600. Its totient is φ = 27948480.

The previous prime is 86840609. The next prime is 86840647. The reversal of 86840616 is 61604868.

It is an unprimeable number.

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, 61690 + ... + 63081.

It is an arithmetic number, because the mean of its divisors is an integer number (7018425).

Almost surely, 2^86840616 is an apocalyptic number.

It is an amenable number.

86840616 is an abundant number, since it is smaller than the sum of its proper divisors (137748984).

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

86840616 is a wasteful number, since it uses less digits than its factorization.

86840616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124809 (or 124805 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 86840616 is about 9318.8312571910. The cubic root of 86840616 is about 442.8340074530.

The spelling of 86840616 in words is "eighty-six million, eight hundred forty thousand, six hundred sixteen".