86839612 has 6 divisors (see below), whose sum is σ = 151969328. Its totient is φ = 43419804.

The previous prime is 86839607. The next prime is 86839619. The reversal of 86839612 is 21693868.

86839612 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×86839612³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

86839612 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86839619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10854948 + ... + 10854955.

Almost surely, 2^86839612 is an apocalyptic number.

It is an amenable number.

86839612 is a deficient number, since it is larger than the sum of its proper divisors (65129716).

86839612 is a wasteful number, since it uses less digits than its factorization.

86839612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21709907 (or 21709905 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 86839612 is about 9318.7773876190. Note that the first 3 decimals coincide. The cubic root of 86839612 is about 442.8323008512.

The spelling of 86839612 in words is "eighty-six million, eight hundred thirty-nine thousand, six hundred twelve".