97631232 has 88 divisors (see below), whose sum is σ = 264996432. Its totient is φ = 31948800.

The previous prime is 97631213. The next prime is 97631239. The reversal of 97631232 is 23213679.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97631193 and 97631202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97631239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187132 + ... + 187652.

Almost surely, 2^97631232 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 97631232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132498216).

97631232 is an abundant number, since it is smaller than the sum of its proper divisors (167365200).

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

97631232 is a wasteful number, since it uses less digits than its factorization.

97631232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 587 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 97631232 is about 9880.8517851448. The cubic root of 97631232 is about 460.4646093421.

The spelling of 97631232 in words is "ninety-seven million, six hundred thirty-one thousand, two hundred thirty-two".