889744012 has 12 divisors (see below), whose sum is σ = 1610743680. Its totient is φ = 429531536.

The previous prime is 889744007. The next prime is 889744021. The reversal of 889744012 is 210447988.

It is a super-2 number, since 2×889744012² = 1583288813779712288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 889744012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834988 + ... + 3835219.

It is an arithmetic number, because the mean of its divisors is an integer number (134228640).

Almost surely, 2^889744012 is an apocalyptic number.

It is an amenable number.

889744012 is a deficient number, since it is larger than the sum of its proper divisors (720999668).

889744012 is a wasteful number, since it uses less digits than its factorization.

889744012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670240 (or 7670238 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 889744012 is about 29828.5771031741. The cubic root of 889744012 is about 961.8079399550.

The spelling of 889744012 in words is "eight hundred eighty-nine million, seven hundred forty-four thousand, twelve".