94993921 has 4 divisors (see below), whose sum is σ = 103629744. Its totient is φ = 86358100.

The previous prime is 94993903. The next prime is 94993973. The reversal of 94993921 is 12939949.

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 94993921 - 2⁷ = 94993793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94993121) 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, 4317895 + ... + 4317916.

It is an arithmetic number, because the mean of its divisors is an integer number (25907436).

Almost surely, 2^94993921 is an apocalyptic number.

It is an amenable number.

94993921 is a deficient number, since it is larger than the sum of its proper divisors (8635823).

94993921 is a wasteful number, since it uses less digits than its factorization.

94993921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635822.

The product of its digits is 157464, while the sum is 46.

The square root of 94993921 is about 9746.4824937000. The cubic root of 94993921 is about 456.2805307398.

The spelling of 94993921 in words is "ninety-four million, nine hundred ninety-three thousand, nine hundred twenty-one".