30864199 has 2 divisors, whose sum is σ = 30864200. Its totient is φ = 30864198.

The previous prime is 30864193. The next prime is 30864203. The reversal of 30864199 is 99146803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30864199 - 2²¹ = 28767047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30864193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15432099 + 15432100.

It is an arithmetic number, because the mean of its divisors is an integer number (15432100).

Almost surely, 2^30864199 is an apocalyptic number.

30864199 is a deficient number, since it is larger than the sum of its proper divisors (1).

30864199 is an equidigital number, since it uses as much as digits as its factorization.

30864199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 30864199 is about 5555.5556877778. Note that the first 3 decimals coincide. The cubic root of 30864199 is about 313.6786812707.

The spelling of 30864199 in words is "thirty million, eight hundred sixty-four thousand, one hundred ninety-nine".