99321430 has 16 divisors (see below), whose sum is σ = 192531024. Its totient is φ = 36672480.

The previous prime is 99321421. The next prime is 99321437. The reversal of 99321430 is 3412399.

It is a junction number, because it is equal to n+sod(n) for n = 99321392 and 99321401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99321437) 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, 381876 + ... + 382135.

It is an arithmetic number, because the mean of its divisors is an integer number (12033189).

Almost surely, 2^99321430 is an apocalyptic number.

99321430 is a deficient number, since it is larger than the sum of its proper divisors (93209594).

99321430 is a wasteful number, since it uses less digits than its factorization.

99321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764031.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 99321430 is about 9966.0137467294. The cubic root of 99321430 is about 463.1066186642.

The spelling of 99321430 in words is "ninety-nine million, three hundred twenty-one thousand, four hundred thirty".