94431889 has 8 divisors (see below), whose sum is σ = 100626408. Its totient is φ = 88308480.

The previous prime is 94431829. The next prime is 94431901. The reversal of 94431889 is 98813449.

It can be written as a sum of positive squares in 4 ways, for example, as 34105600 + 60326289 = 5840^2 + 7767^2 .

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 94431889 - 2⁷ = 94431761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94431829) 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, 15022 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (12578301).

Almost surely, 2^94431889 is an apocalyptic number.

It is an amenable number.

94431889 is a deficient number, since it is larger than the sum of its proper divisors (6194519).

94431889 is a wasteful number, since it uses less digits than its factorization.

94431889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35555.

The product of its digits is 248832, while the sum is 46.

The square root of 94431889 is about 9717.6071643178. The cubic root of 94431889 is about 455.3788882040.

The spelling of 94431889 in words is "ninety-four million, four hundred thirty-one thousand, eight hundred eighty-nine".