989896760 has 32 divisors (see below), whose sum is σ = 2228214960. Its totient is φ = 395790336.

The previous prime is 989896711. The next prime is 989896763. The reversal of 989896760 is 67698989.

It is a junction number, because it is equal to n+sod(n) for n = 989896693 and 989896702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989896763) 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, 138392 + ... + 145368.

Almost surely, 2^989896760 is an apocalyptic number.

It is an amenable number.

989896760 is an abundant number, since it is smaller than the sum of its proper divisors (1238318200).

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

989896760 is a wasteful number, since it uses less digits than its factorization.

989896760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535 (or 10531 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 62.

The square root of 989896760 is about 31462.6248110357. The cubic root of 989896760 is about 996.6208475237.

The spelling of 989896760 in words is "nine hundred eighty-nine million, eight hundred ninety-six thousand, seven hundred sixty".