86439650 has 24 divisors (see below), whose sum is σ = 175395024. Its totient is φ = 31432400.

The previous prime is 86439649. The next prime is 86439673. The reversal of 86439650 is 5693468.

It is a junction number, because it is equal to n+sod(n) for n = 86439598 and 86439607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78032 + ... + 79131.

It is an arithmetic number, because the mean of its divisors is an integer number (7308126).

Almost surely, 2^86439650 is an apocalyptic number.

86439650 is an abundant number, since it is smaller than the sum of its proper divisors (88955374).

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

86439650 is a wasteful number, since it uses less digits than its factorization.

86439650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157186 (or 157181 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 86439650 is about 9297.2926166707. The cubic root of 86439650 is about 442.1513953507.

The spelling of 86439650 in words is "eighty-six million, four hundred thirty-nine thousand, six hundred fifty".