86505934 has 16 divisors (see below), whose sum is σ = 134184960. Its totient is φ = 41782680.

The previous prime is 86505919. The next prime is 86505961. The reversal of 86505934 is 43950568.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51187 + ... + 52849.

It is an arithmetic number, because the mean of its divisors is an integer number (8386560).

Almost surely, 2^86505934 is an apocalyptic number.

86505934 is a deficient number, since it is larger than the sum of its proper divisors (47679026).

86505934 is a wasteful number, since it uses less digits than its factorization.

86505934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 86505934 is about 9300.8566272145. The cubic root of 86505934 is about 442.2643839118.

The spelling of 86505934 in words is "eighty-six million, five hundred five thousand, nine hundred thirty-four".