99969942 has 16 divisors (see below), whose sum is σ = 200061360. Its totient is φ = 33303072.

The previous prime is 99969941. The next prime is 99969943. The reversal of 99969942 is 24996999.

It is an interprime number because it is at equal distance from previous prime (99969941) and next prime (99969943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99969941) 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, 8388 + ... + 16440.

It is an arithmetic number, because the mean of its divisors is an integer number (12503835).

Almost surely, 2^99969942 is an apocalyptic number.

99969942 is an abundant number, since it is smaller than the sum of its proper divisors (100091418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99969942 is a wasteful number, since it uses less digits than its factorization.

99969942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127.

The product of its digits is 2834352, while the sum is 57.

The square root of 99969942 is about 9998.4969870476. The cubic root of 99969942 is about 464.1123730752.

The spelling of 99969942 in words is "ninety-nine million, nine hundred sixty-nine thousand, nine hundred forty-two".