92985881 has 4 divisors (see below), whose sum is σ = 94964352. Its totient is φ = 91007412.

The previous prime is 92985877. The next prime is 92985887. The reversal of 92985881 is 18858929.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 92985881 - 2² = 92985877 is a prime.

It is a super-2 number, since 2×92985881² = 17292748130692322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (92985887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 989165 + ... + 989258.

It is an arithmetic number, because the mean of its divisors is an integer number (23741088).

Almost surely, 2^92985881 is an apocalyptic number.

It is an amenable number.

92985881 is a deficient number, since it is larger than the sum of its proper divisors (1978471).

92985881 is a wasteful number, since it uses less digits than its factorization.

92985881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978470.

The product of its digits is 414720, while the sum is 50.

The square root of 92985881 is about 9642.9186971580. The cubic root of 92985881 is about 453.0425607360.

The spelling of 92985881 in words is "ninety-two million, nine hundred eighty-five thousand, eight hundred eighty-one".