99385919 has 8 divisors (see below), whose sum is σ = 100686240. Its totient is φ = 98092000.

The previous prime is 99385889. The next prime is 99385933. The reversal of 99385919 is 91958399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99385919 - 2¹² = 99381823 is a prime.

It is a super-2 number, since 2×99385919² = 19755121790949122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99315919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34889 + ... + 37629.

It is an arithmetic number, because the mean of its divisors is an integer number (12585780).

Almost surely, 2^99385919 is an apocalyptic number.

99385919 is a deficient number, since it is larger than the sum of its proper divisors (1300321).

99385919 is a wasteful number, since it uses less digits than its factorization.

99385919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201.

The product of its digits is 787320, while the sum is 53.

The square root of 99385919 is about 9969.2486677783. The cubic root of 99385919 is about 463.2068280593.

The spelling of 99385919 in words is "ninety-nine million, three hundred eighty-five thousand, nine hundred nineteen".