97818392 has 96 divisors (see below), whose sum is σ = 227435520. Its totient is φ = 38586240.

The previous prime is 97818349. The next prime is 97818397. The reversal of 97818392 is 29381879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97818397) 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 23 ways as a sum of consecutive naturals, for example, 1459943 + ... + 1460009.

It is an arithmetic number, because the mean of its divisors is an integer number (2369120).

Almost surely, 2^97818392 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 97818392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113717760).

97818392 is an abundant number, since it is smaller than the sum of its proper divisors (129617128).

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

97818392 is a wasteful number, since it uses less digits than its factorization.

97818392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 136 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 97818392 is about 9890.3180939745. The cubic root of 97818392 is about 460.7586598676.

The spelling of 97818392 in words is "ninety-seven million, eight hundred eighteen thousand, three hundred ninety-two".