889158204 has 72 divisors (see below), whose sum is σ = 2492184240. Its totient is φ = 265017600.

The previous prime is 889158203. The next prime is 889158227. The reversal of 889158204 is 402851988.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 889158204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889158203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5752 + ... + 42560.

It is an arithmetic number, because the mean of its divisors is an integer number (34613670).

Almost surely, 2^889158204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889158204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246092120).

889158204 is an abundant number, since it is smaller than the sum of its proper divisors (1603026036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889158204 is a wasteful number, since it uses less digits than its factorization.

889158204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36891 (or 36886 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 889158204 is about 29818.7559096620. The cubic root of 889158204 is about 961.5968086338.

The spelling of 889158204 in words is "eight hundred eighty-nine million, one hundred fifty-eight thousand, two hundred four".