97928238 has 8 divisors (see below), whose sum is σ = 195856488. Its totient is φ = 32642744.

The previous prime is 97928221. The next prime is 97928249. The reversal of 97928238 is 83282979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

97928238 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8160681 + ... + 8160692.

It is an arithmetic number, because the mean of its divisors is an integer number (24482061).

Almost surely, 2^97928238 is an apocalyptic number.

97928238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97928238 is a wasteful number, since it uses less digits than its factorization.

97928238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16321378.

The product of its digits is 435456, while the sum is 48.

The square root of 97928238 is about 9895.8697444944. The cubic root of 97928238 is about 460.9310663080.

The spelling of 97928238 in words is "ninety-seven million, nine hundred twenty-eight thousand, two hundred thirty-eight".