92138820 has 48 divisors (see below), whose sum is σ = 266316288. Its totient is φ = 23777280.

The previous prime is 92138803. The next prime is 92138873. The reversal of 92138820 is 2883129.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22909 + ... + 26628.

It is an arithmetic number, because the mean of its divisors is an integer number (5548256).

Almost surely, 2^92138820 is an apocalyptic number.

It is an amenable number.

92138820 is an abundant number, since it is smaller than the sum of its proper divisors (174177468).

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

92138820 is a wasteful number, since it uses less digits than its factorization.

92138820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49580 (or 49578 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 92138820 is about 9598.8968116133. The cubic root of 92138820 is about 451.6626885328.

The spelling of 92138820 in words is "ninety-two million, one hundred thirty-eight thousand, eight hundred twenty".