989252632 has 96 divisors (see below), whose sum is σ = 2088672480. Its totient is φ = 438197760.

The previous prime is 989252617. The next prime is 989252647. The reversal of 989252632 is 236252989.

It is an interprime number because it is at equal distance from previous prime (989252617) and next prime (989252647).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3520332 + ... + 3520612.

It is an arithmetic number, because the mean of its divisors is an integer number (21757005).

Almost surely, 2^989252632 is an apocalyptic number.

989252632 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

989252632 is an abundant number, since it is smaller than the sum of its proper divisors (1099419848).

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

989252632 is a wasteful number, since it uses less digits than its factorization.

989252632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 378 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 989252632 is about 31452.3867456828. The cubic root of 989252632 is about 996.4046328269.

The spelling of 989252632 in words is "nine hundred eighty-nine million, two hundred fifty-two thousand, six hundred thirty-two".