988189632 has 84 divisors (see below), whose sum is σ = 2937419576. Its totient is φ = 329391360.

The previous prime is 988189621. The next prime is 988189637. The reversal of 988189632 is 236981889.

It is a happy number.

988189632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988189637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16219 + ... + 47322.

Almost surely, 2^988189632 is an apocalyptic number.

It is an amenable number.

988189632 is an abundant number, since it is smaller than the sum of its proper divisors (1949229944).

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

988189632 is an equidigital number, since it uses as much as digits as its factorization.

988189632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63568 (or 63546 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 988189632 is about 31435.4836450785. The cubic root of 988189632 is about 996.0476098594.

The spelling of 988189632 in words is "nine hundred eighty-eight million, one hundred eighty-nine thousand, six hundred thirty-two".