92139872 has 24 divisors (see below), whose sum is σ = 197892072. Its totient is φ = 41881600.

The previous prime is 92139871. The next prime is 92139919. The reversal of 92139872 is 27893129.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92139871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130529 + ... + 131232.

It is an arithmetic number, because the mean of its divisors is an integer number (8245503).

Almost surely, 2^92139872 is an apocalyptic number.

It is an amenable number.

92139872 is an abundant number, since it is smaller than the sum of its proper divisors (105752200).

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

92139872 is a wasteful number, since it uses less digits than its factorization.

92139872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261782 (or 261774 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 92139872 is about 9598.9516094207. The cubic root of 92139872 is about 451.6644074874.

The spelling of 92139872 in words is "ninety-two million, one hundred thirty-nine thousand, eight hundred seventy-two".