97319232 has 70 divisors (see below), whose sum is σ = 288500058. Its totient is φ = 32438016.

The previous prime is 97319221. The next prime is 97319239. The reversal of 97319232 is 23291379.

It can be written as a sum of positive squares in only one way, i.e., 97298496 + 20736 = 9864^2 + 144^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97319239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4203 + ... + 14570.

Almost surely, 2^97319232 is an apocalyptic number.

It is an amenable number.

97319232 is an abundant number, since it is smaller than the sum of its proper divisors (191180826).

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

97319232 is a wasteful number, since it uses less digits than its factorization.

97319232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18797 (or 18778 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 97319232 is about 9865.0510388948. The cubic root of 97319232 is about 459.9735838643.

The spelling of 97319232 in words is "ninety-seven million, three hundred nineteen thousand, two hundred thirty-two".