99969958 has 24 divisors (see below), whose sum is σ = 165377520. Its totient is φ = 45289200.

The previous prime is 99969949. The next prime is 99970007. The reversal of 99969958 is 85996999.

It is a self number, because there is not a number n which added to its sum of digits gives 99969958.

It is a congruent number.

It is an unprimeable number.

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, 105768 + ... + 106708.

It is an arithmetic number, because the mean of its divisors is an integer number (6890730).

Almost surely, 2^99969958 is an apocalyptic number.

99969958 is a deficient number, since it is larger than the sum of its proper divisors (65407562).

99969958 is a wasteful number, since it uses less digits than its factorization.

99969958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1393 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 64.

The square root of 99969958 is about 9998.4977871678. The cubic root of 99969958 is about 464.1123978353.

The spelling of 99969958 in words is "ninety-nine million, nine hundred sixty-nine thousand, nine hundred fifty-eight".