339994429 has 2 divisors, whose sum is σ = 339994430. Its totient is φ = 339994428.

The previous prime is 339994411. The next prime is 339994439. The reversal of 339994429 is 924499933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257602500 + 82391929 = 16050^2 + 9077^2 .

It is a cyclic number.

It is not a de Polignac number, because 339994429 - 2⁹ = 339993917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339994439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169997214 + 169997215.

It is an arithmetic number, because the mean of its divisors is an integer number (169997215).

Almost surely, 2^339994429 is an apocalyptic number.

It is an amenable number.

339994429 is a deficient number, since it is larger than the sum of its proper divisors (1).

339994429 is an equidigital number, since it uses as much as digits as its factorization.

339994429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 52.

The square root of 339994429 is about 18438.9378490194. The cubic root of 339994429 is about 697.9493926139.

The spelling of 339994429 in words is "three hundred thirty-nine million, nine hundred ninety-four thousand, four hundred twenty-nine".