97621896 has 16 divisors (see below), whose sum is σ = 244054800. Its totient is φ = 32540624.

The previous prime is 97621891. The next prime is 97621897. The reversal of 97621896 is 69812679.

It is not an unprimeable number, because it can be changed into a prime (97621891) 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 3 ways as a sum of consecutive naturals, for example, 2033766 + ... + 2033813.

It is an arithmetic number, because the mean of its divisors is an integer number (15253425).

Almost surely, 2^97621896 is an apocalyptic number.

It is an amenable number.

97621896 is an abundant number, since it is smaller than the sum of its proper divisors (146432904).

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

97621896 is a wasteful number, since it uses less digits than its factorization.

97621896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067588 (or 4067584 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 97621896 is about 9880.3793449442. The cubic root of 97621896 is about 460.4499315437.

The spelling of 97621896 in words is "ninety-seven million, six hundred twenty-one thousand, eight hundred ninety-six".