97974558 has 48 divisors (see below), whose sum is σ = 233041536. Its totient is φ = 29501520.

The previous prime is 97974523. The next prime is 97974577. The reversal of 97974558 is 85547979.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31585 + ... + 34547.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^97974558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97974558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116520768).

97974558 is an abundant number, since it is smaller than the sum of its proper divisors (135066978).

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

97974558 is a wasteful number, since it uses less digits than its factorization.

97974558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3146 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 97974558 is about 9898.2098381475. The cubic root of 97974558 is about 461.0037282289.

The spelling of 97974558 in words is "ninety-seven million, nine hundred seventy-four thousand, five hundred fifty-eight".