93997973 has 8 divisors (see below), whose sum is σ = 96004440. Its totient is φ = 92012800.

The previous prime is 93997963. The next prime is 93998027. The reversal of 93997973 is 37979939.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44182609 + 49815364 = 6647^2 + 7058^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 93997973 - 2²⁰ = 92949397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93997963) 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, 3761 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (12000555).

Almost surely, 2^93997973 is an apocalyptic number.

It is an amenable number.

93997973 is a deficient number, since it is larger than the sum of its proper divisors (2006467).

93997973 is a wasteful number, since it uses less digits than its factorization.

93997973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647.

The product of its digits is 2893401, while the sum is 56.

The square root of 93997973 is about 9695.2551797258. The cubic root of 93997973 is about 454.6803261143.

The spelling of 93997973 in words is "ninety-three million, nine hundred ninety-seven thousand, nine hundred seventy-three".