97971393 has 8 divisors (see below), whose sum is σ = 140676928. Its totient is φ = 60290064.

The previous prime is 97971389. The next prime is 97971397. The reversal of 97971393 is 39317979.

It is an interprime number because it is at equal distance from previous prime (97971389) and next prime (97971397).

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

It is not a de Polignac number, because 97971393 - 2² = 97971389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97971397) 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, 1256005 + ... + 1256082.

It is an arithmetic number, because the mean of its divisors is an integer number (17584616).

Almost surely, 2^97971393 is an apocalyptic number.

It is an amenable number.

97971393 is a deficient number, since it is larger than the sum of its proper divisors (42705535).

97971393 is a wasteful number, since it uses less digits than its factorization.

97971393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512103.

The product of its digits is 321489, while the sum is 48.

The square root of 97971393 is about 9898.0499594617. The cubic root of 97971393 is about 460.9987640404.

The spelling of 97971393 in words is "ninety-seven million, nine hundred seventy-one thousand, three hundred ninety-three".