93685997 has 8 divisors (see below), whose sum is σ = 99545400. Its totient is φ = 88170432.

The previous prime is 93685981. The next prime is 93686011. The reversal of 93685997 is 79958639.

It can be written as a sum of positive squares in 4 ways, for example, as 48177481 + 45508516 = 6941^2 + 6746^2 .

It is not a de Polignac number, because 93685997 - 2⁴ = 93685981 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 (93685957) 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, 4622 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (12443175).

Almost surely, 2^93685997 is an apocalyptic number.

It is an amenable number.

93685997 is a deficient number, since it is larger than the sum of its proper divisors (5859403).

93685997 is an equidigital number, since it uses as much as digits as its factorization.

93685997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19120 (or 19086 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 56.

The square root of 93685997 is about 9679.1527005208. The cubic root of 93685997 is about 454.1767458564.

The spelling of 93685997 in words is "ninety-three million, six hundred eighty-five thousand, nine hundred ninety-seven".