30946999 has 2 divisors, whose sum is σ = 30947000. Its totient is φ = 30946998.

The previous prime is 30946961. The next prime is 30947003. The reversal of 30946999 is 99964903.

It is a strong prime.

It is an emirp because it is prime and its reverse (99964903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30946999 - 2¹⁷ = 30815927 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 (30946939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15473499 + 15473500.

It is an arithmetic number, because the mean of its divisors is an integer number (15473500).

Almost surely, 2^30946999 is an apocalyptic number.

30946999 is a deficient number, since it is larger than the sum of its proper divisors (1).

30946999 is an equidigital number, since it uses as much as digits as its factorization.

30946999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 30946999 is about 5563.0026963862. The cubic root of 30946999 is about 313.9589348166.

The spelling of 30946999 in words is "thirty million, nine hundred forty-six thousand, nine hundred ninety-nine".