99385901 has 4 divisors (see below), whose sum is σ = 100144704. Its totient is φ = 98627100.

The previous prime is 99385889. The next prime is 99385933. The reversal of 99385901 is 10958399.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10958399 = 101 ⋅108499.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99385901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99385981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379205 + ... + 379466.

It is an arithmetic number, because the mean of its divisors is an integer number (25036176).

Almost surely, 2^99385901 is an apocalyptic number.

It is an amenable number.

99385901 is a deficient number, since it is larger than the sum of its proper divisors (758803).

99385901 is a wasteful number, since it uses less digits than its factorization.

99385901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758802.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 99385901 is about 9969.2477650021. The cubic root of 99385901 is about 463.2068000952.

The spelling of 99385901 in words is "ninety-nine million, three hundred eighty-five thousand, nine hundred one".