86439216 has 40 divisors (see below), whose sum is σ = 223759984. Its totient is φ = 28753920.

The previous prime is 86439211. The next prime is 86439233. The reversal of 86439216 is 61293468.

It is not an unprimeable number, because it can be changed into a prime (86439211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26136 + ... + 29256.

Almost surely, 2^86439216 is an apocalyptic number.

It is an amenable number.

86439216 is an abundant number, since it is smaller than the sum of its proper divisors (137320768).

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

86439216 is a wasteful number, since it uses less digits than its factorization.

86439216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3703 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 86439216 is about 9297.2692765134. The cubic root of 86439216 is about 442.1506553584.

The spelling of 86439216 in words is "eighty-six million, four hundred thirty-nine thousand, two hundred sixteen".