92691921 has 16 divisors (see below), whose sum is σ = 141411200. Its totient is φ = 52904448.

The previous prime is 92691913. The next prime is 92691923. The reversal of 92691921 is 12919629.

It is not a de Polignac number, because 92691921 - 2³ = 92691913 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 92691921.

It is not an unprimeable number, because it can be changed into a prime (92691923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20385 + ... + 24513.

It is an arithmetic number, because the mean of its divisors is an integer number (8838200).

Almost surely, 2^92691921 is an apocalyptic number.

It is an amenable number.

92691921 is a deficient number, since it is larger than the sum of its proper divisors (48719279).

92691921 is a wasteful number, since it uses less digits than its factorization.

92691921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its digits is 17496, while the sum is 39.

The square root of 92691921 is about 9627.6643585036. The cubic root of 92691921 is about 452.5646495544.

The spelling of 92691921 in words is "ninety-two million, six hundred ninety-one thousand, nine hundred twenty-one".