299890429 has 2 divisors, whose sum is σ = 299890430. Its totient is φ = 299890428.

The previous prime is 299890411. The next prime is 299890447. The reversal of 299890429 is 924098992.

It is a balanced prime because it is at equal distance from previous prime (299890411) and next prime (299890447).

It can be written as a sum of positive squares in only one way, i.e., 201583204 + 98307225 = 14198^2 + 9915^2 .

It is a cyclic number.

It is not a de Polignac number, because 299890429 - 2⁷ = 299890301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299890469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149945214 + 149945215.

It is an arithmetic number, because the mean of its divisors is an integer number (149945215).

Almost surely, 2^299890429 is an apocalyptic number.

It is an amenable number.

299890429 is a deficient number, since it is larger than the sum of its proper divisors (1).

299890429 is an equidigital number, since it uses as much as digits as its factorization.

299890429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 299890429 is about 17317.3447445040. The cubic root of 299890429 is about 669.3514396714.

The spelling of 299890429 in words is "two hundred ninety-nine million, eight hundred ninety thousand, four hundred twenty-nine".