93999689 has 12 divisors (see below), whose sum is σ = 114102144. Its totient is φ = 77067144.

The previous prime is 93999679. The next prime is 93999739. The reversal of 93999689 is 98699939.

It is a de Polignac number, because none of the positive numbers 2^k-93999689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93999679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40577 + ... + 42830.

It is an arithmetic number, because the mean of its divisors is an integer number (9508512).

Almost surely, 2^93999689 is an apocalyptic number.

It is an amenable number.

93999689 is a deficient number, since it is larger than the sum of its proper divisors (20102455).

93999689 is a wasteful number, since it uses less digits than its factorization.

93999689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83444 (or 83437 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 62.

The square root of 93999689 is about 9695.3436762190. The cubic root of 93999689 is about 454.6830929352.

The spelling of 93999689 in words is "ninety-three million, nine hundred ninety-nine thousand, six hundred eighty-nine".