99383913 has 6 divisors (see below), whose sum is σ = 143554554. Its totient is φ = 66255936.

The previous prime is 99383909. The next prime is 99383917. The reversal of 99383913 is 31938399.

It is an interprime number because it is at equal distance from previous prime (99383909) and next prime (99383917).

It can be written as a sum of positive squares in only one way, i.e., 99141849 + 242064 = 9957^2 + 492^2 .

It is not a de Polignac number, because 99383913 - 2² = 99383909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99383917) 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, 5521320 + ... + 5521337.

It is an arithmetic number, because the mean of its divisors is an integer number (23925759).

Almost surely, 2^99383913 is an apocalyptic number.

It is an amenable number.

99383913 is a deficient number, since it is larger than the sum of its proper divisors (44170641).

99383913 is a wasteful number, since it uses less digits than its factorization.

99383913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042663 (or 11042660 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 99383913 is about 9969.1480578834. The cubic root of 99383913 is about 463.2037115912.

The spelling of 99383913 in words is "ninety-nine million, three hundred eighty-three thousand, nine hundred thirteen".