99982989 has 12 divisors (see below), whose sum is σ = 145378272. Its totient is φ = 66213000.

The previous prime is 99982957. The next prime is 99983017. The reversal of 99982989 is 98928999.

It is not a de Polignac number, because 99982989 - 2⁵ = 99982957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99982889) 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 11 ways as a sum of consecutive naturals, for example, 35427 + ... + 38144.

It is an arithmetic number, because the mean of its divisors is an integer number (12114856).

Almost surely, 2^99982989 is an apocalyptic number.

It is an amenable number.

99982989 is a deficient number, since it is larger than the sum of its proper divisors (45395283).

99982989 is a wasteful number, since it uses less digits than its factorization.

99982989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73728 (or 73725 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 63.

The square root of 99982989 is about 9999.1494138252. The cubic root of 99982989 is about 464.1325625129.

The spelling of 99982989 in words is "ninety-nine million, nine hundred eighty-two thousand, nine hundred eighty-nine".