99021373 has 8 divisors (see below), whose sum is σ = 108097920. Its totient is φ = 89957280.

The previous prime is 99021353. The next prime is 99021427. The reversal of 99021373 is 37312099.

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 99021373 - 2⁹ = 99020861 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 (99021323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23308 + ... + 27226.

It is an arithmetic number, because the mean of its divisors is an integer number (13512240).

Almost surely, 2^99021373 is an apocalyptic number.

It is an amenable number.

99021373 is a deficient number, since it is larger than the sum of its proper divisors (9076547).

99021373 is a wasteful number, since it uses less digits than its factorization.

99021373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 99021373 is about 9950.9483467657. The cubic root of 99021373 is about 462.6397890574.

The spelling of 99021373 in words is "ninety-nine million, twenty-one thousand, three hundred seventy-three".