97538616 has 72 divisors (see below), whose sum is σ = 307307520. Its totient is φ = 27867168.

The previous prime is 97538587. The next prime is 97538621. The reversal of 97538616 is 61683579.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×97538616² = 19027563222390912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10296 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 2^97538616 is an apocalyptic number.

It is an amenable number.

97538616 is an abundant number, since it is smaller than the sum of its proper divisors (209768904).

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

97538616 is a wasteful number, since it uses less digits than its factorization.

97538616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27673 (or 27659 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 97538616 is about 9876.1640326596. The cubic root of 97538616 is about 460.3189596297.

The spelling of 97538616 in words is "ninety-seven million, five hundred thirty-eight thousand, six hundred sixteen".