889045956 has 120 divisors (see below), whose sum is σ = 2472047424. Its totient is φ = 277992000.

The previous prime is 889045943. The next prime is 889046017. The reversal of 889045956 is 659540988.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 393831 + ... + 396081.

Almost surely, 2^889045956 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 889045956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236023712).

889045956 is an abundant number, since it is smaller than the sum of its proper divisors (1583001468).

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

889045956 is a wasteful number, since it uses less digits than its factorization.

889045956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 889045956 is about 29816.8736791770. The cubic root of 889045956 is about 961.5563426963.

The spelling of 889045956 in words is "eight hundred eighty-nine million, forty-five thousand, nine hundred fifty-six".