94190081 has 16 divisors (see below), whose sum is σ = 102643200. Its totient is φ = 86085888.

The previous prime is 94190053. The next prime is 94190093. The reversal of 94190081 is 18009149.

It is a cyclic number.

It is not a de Polignac number, because 94190081 - 2¹⁰ = 94189057 is a prime.

It is a super-2 number, since 2×94190081² = 17743542717573122, 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 (94198081) 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, 196400 + ... + 196878.

It is an arithmetic number, because the mean of its divisors is an integer number (6415200).

Almost surely, 2^94190081 is an apocalyptic number.

It is an amenable number.

94190081 is a deficient number, since it is larger than the sum of its proper divisors (8453119).

94190081 is a wasteful number, since it uses less digits than its factorization.

94190081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 94190081 is about 9705.1574433391. The cubic root of 94190081 is about 454.9898657325.

The spelling of 94190081 in words is "ninety-four million, one hundred ninety thousand, eighty-one".