299321039 has 2 divisors, whose sum is σ = 299321040. Its totient is φ = 299321038.

The previous prime is 299320999. The next prime is 299321053. The reversal of 299321039 is 930123992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299321039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299320993 and 299321011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299323039) 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, 149660519 + 149660520.

It is an arithmetic number, because the mean of its divisors is an integer number (149660520).

Almost surely, 2^299321039 is an apocalyptic number.

299321039 is a deficient number, since it is larger than the sum of its proper divisors (1).

299321039 is an equidigital number, since it uses as much as digits as its factorization.

299321039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 299321039 is about 17300.8970576673. The cubic root of 299321039 is about 668.9275476527.

The spelling of 299321039 in words is "two hundred ninety-nine million, three hundred twenty-one thousand, thirty-nine".