99938983 has 4 divisors (see below), whose sum is σ = 100702008. Its totient is φ = 99175960.

The previous prime is 99938981. The next prime is 99938989. The reversal of 99938983 is 38983999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38983999 = 1709 ⋅22811.

It is a cyclic number.

It is not a de Polignac number, because 99938983 - 2¹ = 99938981 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 (99938981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381316 + ... + 381577.

It is an arithmetic number, because the mean of its divisors is an integer number (25175502).

Almost surely, 2^99938983 is an apocalyptic number.

99938983 is a deficient number, since it is larger than the sum of its proper divisors (763025).

99938983 is a wasteful number, since it uses less digits than its factorization.

99938983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763024.

The product of its digits is 3779136, while the sum is 58.

The square root of 99938983 is about 9996.9486844737. The cubic root of 99938983 is about 464.0644588784.

The spelling of 99938983 in words is "ninety-nine million, nine hundred thirty-eight thousand, nine hundred eighty-three".