94239891 has 24 divisors (see below), whose sum is σ = 144499680. Its totient is φ = 58980096.

The previous prime is 94239889. The next prime is 94239913. The reversal of 94239891 is 19893249.

It is not a de Polignac number, because 94239891 - 2¹ = 94239889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94239881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113265 + ... + 114093.

It is an arithmetic number, because the mean of its divisors is an integer number (6020820).

Almost surely, 2^94239891 is an apocalyptic number.

94239891 is a deficient number, since it is larger than the sum of its proper divisors (50259789).

94239891 is a wasteful number, since it uses less digits than its factorization.

94239891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1592 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 94239891 is about 9707.7232655242. The cubic root of 94239891 is about 455.0700548254.

The spelling of 94239891 in words is "ninety-four million, two hundred thirty-nine thousand, eight hundred ninety-one".