889280988 has 24 divisors (see below), whose sum is σ = 2095137408. Its totient is φ = 293548656.

The previous prime is 889280971. The next prime is 889280989. The reversal of 889280988 is 889082988.

It is a super-2 number, since 2×889280988² = 1581641351236512288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889280989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358506 + ... + 360977.

It is an arithmetic number, because the mean of its divisors is an integer number (87297392).

Almost surely, 2^889280988 is an apocalyptic number.

It is an amenable number.

889280988 is an abundant number, since it is smaller than the sum of its proper divisors (1205856420).

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

889280988 is a wasteful number, since it uses less digits than its factorization.

889280988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719593 (or 719591 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 60.

The square root of 889280988 is about 29820.8146770004. The cubic root of 889280988 is about 961.6410689494.

The spelling of 889280988 in words is "eight hundred eighty-nine million, two hundred eighty thousand, nine hundred eighty-eight".