99885983 has 4 divisors (see below), whose sum is σ = 105143160. Its totient is φ = 94628808.

The previous prime is 99885979. The next prime is 99886009. The reversal of 99885983 is 38958899.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99885983 - 2² = 99885979 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 (99885943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628560 + ... + 2628597.

It is an arithmetic number, because the mean of its divisors is an integer number (26285790).

Almost surely, 2^99885983 is an apocalyptic number.

99885983 is a deficient number, since it is larger than the sum of its proper divisors (5257177).

99885983 is a wasteful number, since it uses less digits than its factorization.

99885983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257176.

The product of its digits is 5598720, while the sum is 59.

The square root of 99885983 is about 9994.2975240884. The cubic root of 99885983 is about 463.9824095962.

The spelling of 99885983 in words is "ninety-nine million, eight hundred eighty-five thousand, nine hundred eighty-three".