889270920 has 64 divisors (see below), whose sum is σ = 2964240000. Its totient is φ = 237138624.

The previous prime is 889270909. The next prime is 889270931. The reversal of 889270920 is 29072988.

It is an interprime number because it is at equal distance from previous prime (889270909) and next prime (889270931).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410620 + ... + 412779.

It is an arithmetic number, because the mean of its divisors is an integer number (46316250).

Almost surely, 2^889270920 is an apocalyptic number.

It is an amenable number.

889270920 is an abundant number, since it is smaller than the sum of its proper divisors (2074969080).

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

889270920 is a wasteful number, since it uses less digits than its factorization.

889270920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823419 (or 823409 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 889270920 is about 29820.6458682571. The cubic root of 889270920 is about 961.6374398607.

The spelling of 889270920 in words is "eight hundred eighty-nine million, two hundred seventy thousand, nine hundred twenty".