93657397 has 12 divisors (see below), whose sum is σ = 98549580. Its totient is φ = 89006904.

The previous prime is 93657373. The next prime is 93657427. The reversal of 93657397 is 79375639.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 72488196 + 21169201 = 8514^2 + 4601^2 .

It is a de Polignac number, because none of the positive numbers 2^k-93657397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93657397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93657337) 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 11 ways as a sum of consecutive naturals, for example, 2178058 + ... + 2178100.

It is an arithmetic number, because the mean of its divisors is an integer number (8212465).

Almost surely, 2^93657397 is an apocalyptic number.

It is an amenable number.

93657397 is a deficient number, since it is larger than the sum of its proper divisors (4892183).

93657397 is an frugal number, since it uses more digits than its factorization.

93657397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 80 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 49.

The square root of 93657397 is about 9677.6751857045. The cubic root of 93657397 is about 454.1305248723.

The spelling of 93657397 in words is "ninety-three million, six hundred fifty-seven thousand, three hundred ninety-seven".