989390532 has 48 divisors (see below), whose sum is σ = 2491417152. Its totient is φ = 303784320.

The previous prime is 989390527. The next prime is 989390533. The reversal of 989390532 is 235093989.

It is a super-2 number, since 2×989390532² = 1957787249622486048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (989390533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70138 + ... + 83054.

It is an arithmetic number, because the mean of its divisors is an integer number (51904524).

Almost surely, 2^989390532 is an apocalyptic number.

It is an amenable number.

989390532 is an abundant number, since it is smaller than the sum of its proper divisors (1502026620).

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

989390532 is a wasteful number, since it uses less digits than its factorization.

989390532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428 (or 13426 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 989390532 is about 31454.5788717636. The cubic root of 989390532 is about 996.4509296677.

The spelling of 989390532 in words is "nine hundred eighty-nine million, three hundred ninety thousand, five hundred thirty-two".