94390881 has 8 divisors (see below), whose sum is σ = 135535680. Its totient is φ = 58086672.

The previous prime is 94390843. The next prime is 94390883. The reversal of 94390881 is 18809349.

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

It is not a de Polignac number, because 94390881 - 2¹³ = 94382689 is a prime.

It is a super-2 number, since 2×94390881² = 17819276831912322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (94390883) 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, 1210101 + ... + 1210178.

It is an arithmetic number, because the mean of its divisors is an integer number (16941960).

Almost surely, 2^94390881 is an apocalyptic number.

It is an amenable number.

94390881 is a deficient number, since it is larger than the sum of its proper divisors (41144799).

94390881 is a wasteful number, since it uses less digits than its factorization.

94390881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420295.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 94390881 is about 9715.4969507483. The cubic root of 94390881 is about 455.3129610352.

The spelling of 94390881 in words is "ninety-four million, three hundred ninety thousand, eight hundred eighty-one".