30386999 has 2 divisors, whose sum is σ = 30387000. Its totient is φ = 30386998.

The previous prime is 30386989. The next prime is 30387017. The reversal of 30386999 is 99968303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30386999 - 2¹² = 30382903 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 (30386969) 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 as a sum of consecutive naturals, namely, 15193499 + 15193500.

It is an arithmetic number, because the mean of its divisors is an integer number (15193500).

Almost surely, 2^30386999 is an apocalyptic number.

30386999 is a deficient number, since it is larger than the sum of its proper divisors (1).

30386999 is an equidigital number, since it uses as much as digits as its factorization.

30386999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 30386999 is about 5512.4403851652. The cubic root of 30386999 is about 312.0536527006.

The spelling of 30386999 in words is "thirty million, three hundred eighty-six thousand, nine hundred ninety-nine".