97042288 has 40 divisors (see below), whose sum is σ = 215745120. Its totient is φ = 41422080.

The previous prime is 97042247. The next prime is 97042289. The reversal of 97042288 is 88224079.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 97042288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97042289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28518 + ... + 31738.

It is an arithmetic number, because the mean of its divisors is an integer number (5393628).

Almost surely, 2^97042288 is an apocalyptic number.

It is an amenable number.

97042288 is an abundant number, since it is smaller than the sum of its proper divisors (118702832).

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

97042288 is a wasteful number, since it uses less digits than its factorization.

97042288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3499 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 97042288 is about 9851.0044157944. The cubic root of 97042288 is about 459.5368495240.

The spelling of 97042288 in words is "ninety-seven million, forty-two thousand, two hundred eighty-eight".