94491993 has 8 divisors (see below), whose sum is σ = 126050400. Its totient is φ = 62964128.

The previous prime is 94491977. The next prime is 94492007. The reversal of 94491993 is 39919449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94491993 - 2⁴ = 94491977 is a prime.

It is a super-2 number, since 2×94491993² = 17857473482224098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (94491913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (15756300).

Almost surely, 2^94491993 is an apocalyptic number.

It is an amenable number.

94491993 is a deficient number, since it is larger than the sum of its proper divisors (31558407).

94491993 is a wasteful number, since it uses less digits than its factorization.

94491993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271.

The product of its digits is 314928, while the sum is 48.

The square root of 94491993 is about 9720.6992032466. The cubic root of 94491993 is about 455.4754808847.

The spelling of 94491993 in words is "ninety-four million, four hundred ninety-one thousand, nine hundred ninety-three".