99321801 has 8 divisors (see below), whose sum is σ = 136008384. Its totient is φ = 64424880.

The previous prime is 99321793. The next prime is 99321809. The reversal of 99321801 is 10812399.

It is an interprime number because it is at equal distance from previous prime (99321793) and next prime (99321809).

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

It is not a de Polignac number, because 99321801 - 2³ = 99321793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99321809) 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, 447285 + ... + 447506.

It is an arithmetic number, because the mean of its divisors is an integer number (17001048).

Almost surely, 2^99321801 is an apocalyptic number.

It is an amenable number.

99321801 is a deficient number, since it is larger than the sum of its proper divisors (36686583).

99321801 is a wasteful number, since it uses less digits than its factorization.

99321801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894831.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 99321801 is about 9966.0323599715. The cubic root of 99321801 is about 463.1071952848.

The spelling of 99321801 in words is "ninety-nine million, three hundred twenty-one thousand, eight hundred one".