99893983 has 8 divisors (see below), whose sum is σ = 114238080. Its totient is φ = 85568280.

The previous prime is 99893971. The next prime is 99893987. The reversal of 99893983 is 38939899.

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

It is a de Polignac number, because none of the positive numbers 2^k-99893983 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 (99893987) 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, 10248 + ... + 17458.

It is an arithmetic number, because the mean of its divisors is an integer number (14279760).

Almost surely, 2^99893983 is an apocalyptic number.

99893983 is a deficient number, since it is larger than the sum of its proper divisors (14344097).

99893983 is a wasteful number, since it uses less digits than its factorization.

99893983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

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

The square root of 99893983 is about 9994.6977443042. The cubic root of 99893983 is about 463.9947962531.

The spelling of 99893983 in words is "ninety-nine million, eight hundred ninety-three thousand, nine hundred eighty-three".