99989962 has 16 divisors (see below), whose sum is σ = 153809280. Its totient is φ = 48729088.

The previous prime is 99989909. The next prime is 99989963. The reversal of 99989962 is 26998999.

It is a super-2 number, since 2×99989962² = 19995985001522888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99989962.

It is not an unprimeable number, because it can be changed into a prime (99989963) 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 7 ways as a sum of consecutive naturals, for example, 22089 + ... + 26227.

It is an arithmetic number, because the mean of its divisors is an integer number (9613080).

Almost surely, 2^99989962 is an apocalyptic number.

99989962 is a deficient number, since it is larger than the sum of its proper divisors (53819318).

99989962 is a wasteful number, since it uses less digits than its factorization.

99989962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445.

The product of its digits is 5668704, while the sum is 61.

The square root of 99989962 is about 9999.4980874042. The cubic root of 99989962 is about 464.1433520854.

The spelling of 99989962 in words is "ninety-nine million, nine hundred eighty-nine thousand, nine hundred sixty-two".