889496931 has 4 divisors (see below), whose sum is σ = 1185995912. Its totient is φ = 592997952.

The previous prime is 889496929. The next prime is 889496947. The reversal of 889496931 is 139694988.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 889496931 - 2¹ = 889496929 is a prime.

It is a super-2 number, since 2×889496931² = 1582409580516837522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889496131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148249486 + ... + 148249491.

It is an arithmetic number, because the mean of its divisors is an integer number (296498978).

Almost surely, 2^889496931 is an apocalyptic number.

889496931 is a deficient number, since it is larger than the sum of its proper divisors (296498981).

889496931 is a wasteful number, since it uses less digits than its factorization.

889496931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296498980.

The product of its digits is 3359232, while the sum is 57.

The square root of 889496931 is about 29824.4351329577. The cubic root of 889496931 is about 961.7189006861.

The spelling of 889496931 in words is "eight hundred eighty-nine million, four hundred ninety-six thousand, nine hundred thirty-one".