989892372 has 96 divisors (see below), whose sum is σ = 2753658880. Its totient is φ = 270812160.

The previous prime is 989892367. The next prime is 989892373. The reversal of 989892372 is 273298989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989892373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250629 + ... + 254547.

Almost surely, 2^989892372 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 989892372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376829440).

989892372 is an abundant number, since it is smaller than the sum of its proper divisors (1763766508).

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

989892372 is a wasteful number, since it uses less digits than its factorization.

989892372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4059 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 989892372 is about 31462.5550774250. Note that the first 3 decimals coincide. The cubic root of 989892372 is about 996.6193749194.

The spelling of 989892372 in words is "nine hundred eighty-nine million, eight hundred ninety-two thousand, three hundred seventy-two".