334742939 has 2 divisors, whose sum is σ = 334742940. Its totient is φ = 334742938.

The previous prime is 334742899. The next prime is 334742957. The reversal of 334742939 is 939247433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 334742939 - 2²⁰ = 333694363 is a prime.

It is a super-2 number, since 2×334742939² = 224105670420715442, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 334742939.

It is not a weakly prime, because it can be changed into another prime (334742339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167371469 + 167371470.

It is an arithmetic number, because the mean of its divisors is an integer number (167371470).

Almost surely, 2^334742939 is an apocalyptic number.

334742939 is a deficient number, since it is larger than the sum of its proper divisors (1).

334742939 is an equidigital number, since it uses as much as digits as its factorization.

334742939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The square root of 334742939 is about 18295.9814986789. The cubic root of 334742939 is about 694.3372658590.

The spelling of 334742939 in words is "three hundred thirty-four million, seven hundred forty-two thousand, nine hundred thirty-nine".