86239934 has 16 divisors (see below), whose sum is σ = 141505920. Its totient is φ = 39092760.

The previous prime is 86239931. The next prime is 86239973. The reversal of 86239934 is 43993268.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86239931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3167 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (8844120).

Almost surely, 2^86239934 is an apocalyptic number.

86239934 is a deficient number, since it is larger than the sum of its proper divisors (55265986).

86239934 is a wasteful number, since it uses less digits than its factorization.

86239934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10735.

The product of its digits is 279936, while the sum is 44.

The square root of 86239934 is about 9286.5458594679. The cubic root of 86239934 is about 441.8106072830.

The spelling of 86239934 in words is "eighty-six million, two hundred thirty-nine thousand, nine hundred thirty-four".