99009793 has 8 divisors (see below), whose sum is σ = 101726856. Its totient is φ = 96307200.

The previous prime is 99009773. The next prime is 99009811. The reversal of 99009793 is 39790099.

It can be written as a sum of positive squares in 4 ways, for example, as 3888784 + 95121009 = 1972^2 + 9753^2 .

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 99009793 - 2⁵ = 99009761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99009773) 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, 11053 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (12715857).

Almost surely, 2^99009793 is an apocalyptic number.

It is an amenable number.

99009793 is a deficient number, since it is larger than the sum of its proper divisors (2717063).

99009793 is a wasteful number, since it uses less digits than its factorization.

99009793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235.

The product of its (nonzero) digits is 137781, while the sum is 46.

The square root of 99009793 is about 9950.3664756631. The cubic root of 99009793 is about 462.6217539691.

The spelling of 99009793 in words is "ninety-nine million, nine thousand, seven hundred ninety-three".