99985929 has 4 divisors (see below), whose sum is σ = 133314576. Its totient is φ = 66657284.

The previous prime is 99985927. The next prime is 99985973. The reversal of 99985929 is 92958999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99985929 - 2¹ = 99985927 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99985927) 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, 16664319 + ... + 16664324.

It is an arithmetic number, because the mean of its divisors is an integer number (33328644).

Almost surely, 2^99985929 is an apocalyptic number.

It is an amenable number.

99985929 is a deficient number, since it is larger than the sum of its proper divisors (33328647).

99985929 is a wasteful number, since it uses less digits than its factorization.

99985929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33328646.

The product of its digits is 4723920, while the sum is 60.

The square root of 99985929 is about 9999.2964252491. The cubic root of 99985929 is about 464.1371117413.

The spelling of 99985929 in words is "ninety-nine million, nine hundred eighty-five thousand, nine hundred twenty-nine".