86381934 has 16 divisors (see below), whose sum is σ = 178337280. Its totient is φ = 27865080.

The previous prime is 86381921. The next prime is 86381941. The reversal of 86381934 is 43918368.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 232024 + ... + 232395.

It is an arithmetic number, because the mean of its divisors is an integer number (11146080).

Almost surely, 2^86381934 is an apocalyptic number.

86381934 is an abundant number, since it is smaller than the sum of its proper divisors (91955346).

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

86381934 is a wasteful number, since it uses less digits than its factorization.

86381934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464455.

The product of its digits is 124416, while the sum is 42.

The square root of 86381934 is about 9294.1881840212. The cubic root of 86381934 is about 442.0529648589.

The spelling of 86381934 in words is "eighty-six million, three hundred eighty-one thousand, nine hundred thirty-four".