99994657 has 8 divisors (see below), whose sum is σ = 114554432. Its totient is φ = 85503600.

The previous prime is 99994637. The next prime is 99994669. The reversal of 99994657 is 75649999.

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

It is not a de Polignac number, because 99994657 - 2¹⁹ = 99470369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99994607) 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, 14019 + ... + 19912.

It is an arithmetic number, because the mean of its divisors is an integer number (14319304).

Almost surely, 2^99994657 is an apocalyptic number.

It is an amenable number.

99994657 is a deficient number, since it is larger than the sum of its proper divisors (14559775).

99994657 is a wasteful number, since it uses less digits than its factorization.

99994657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34359.

The product of its digits is 5511240, while the sum is 58.

The square root of 99994657 is about 9999.7328464314. The cubic root of 99994657 is about 464.1506165443.

The spelling of 99994657 in words is "ninety-nine million, nine hundred ninety-four thousand, six hundred fifty-seven".