99394617 has 16 divisors (see below), whose sum is σ = 155553152. Its totient is φ = 55261440.

The previous prime is 99394609. The next prime is 99394621. The reversal of 99394617 is 71649399.

It is not a de Polignac number, because 99394617 - 2³ = 99394609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99394657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63184 + ... + 64737.

It is an arithmetic number, because the mean of its divisors is an integer number (9722072).

Almost surely, 2^99394617 is an apocalyptic number.

It is an amenable number.

99394617 is a deficient number, since it is larger than the sum of its proper divisors (56158535).

99394617 is a wasteful number, since it uses less digits than its factorization.

99394617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127968.

The product of its digits is 367416, while the sum is 48.

The square root of 99394617 is about 9969.6848997348. The cubic root of 99394617 is about 463.2203405552.

It can be divided in two parts, 99 and 394617, that added together give a triangular number (394716 = T₈₈₈).

The spelling of 99394617 in words is "ninety-nine million, three hundred ninety-four thousand, six hundred seventeen".