99490933 has 4 divisors (see below), whose sum is σ = 101177280. Its totient is φ = 97804588.

The previous prime is 99490927. The next prime is 99490957. The reversal of 99490933 is 33909499.

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 99490933 - 2⁵ = 99490901 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 (99490903) 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, 843085 + ... + 843202.

It is an arithmetic number, because the mean of its divisors is an integer number (25294320).

Almost surely, 2^99490933 is an apocalyptic number.

It is an amenable number.

99490933 is a deficient number, since it is larger than the sum of its proper divisors (1686347).

99490933 is a wasteful number, since it uses less digits than its factorization.

99490933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686346.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 99490933 is about 9974.5141736327. The cubic root of 99490933 is about 463.3699164853.

The spelling of 99490933 in words is "ninety-nine million, four hundred ninety thousand, nine hundred thirty-three".