93788397 has 6 divisors (see below), whose sum is σ = 135472142. Its totient is φ = 62525592.

The previous prime is 93788393. The next prime is 93788413. The reversal of 93788397 is 79388739.

It can be written as a sum of positive squares in only one way, i.e., 91183401 + 2604996 = 9549^2 + 1614^2 .

It is not a de Polignac number, because 93788397 - 2² = 93788393 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 (93788393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5210458 + ... + 5210475.

Almost surely, 2^93788397 is an apocalyptic number.

It is an amenable number.

93788397 is a deficient number, since it is larger than the sum of its proper divisors (41683745).

93788397 is a wasteful number, since it uses less digits than its factorization.

93788397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420939 (or 10420936 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 93788397 is about 9684.4409750899. The cubic root of 93788397 is about 454.3421592801.

The spelling of 93788397 in words is "ninety-three million, seven hundred eighty-eight thousand, three hundred ninety-seven".