97332440 has 64 divisors (see below), whose sum is σ = 233452800. Its totient is φ = 36415872.

The previous prime is 97332427. The next prime is 97332449. The reversal of 97332440 is 4423379.

It is a junction number, because it is equal to n+sod(n) for n = 97332397 and 97332406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97332449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62309 + ... + 63851.

It is an arithmetic number, because the mean of its divisors is an integer number (3647700).

Almost surely, 2^97332440 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 97332440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116726400).

97332440 is an abundant number, since it is smaller than the sum of its proper divisors (136120360).

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

97332440 is a wasteful number, since it uses less digits than its factorization.

97332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 97332440 is about 9865.7204501243. The cubic root of 97332440 is about 459.9943918661.

The spelling of 97332440 in words is "ninety-seven million, three hundred thirty-two thousand, four hundred forty".