345967439 has 2 divisors, whose sum is σ = 345967440. Its totient is φ = 345967438.

The previous prime is 345967429. The next prime is 345967483. The reversal of 345967439 is 934769543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345967439 - 2²⁰ = 344918863 is a prime.

It is a super-3 number, since 3×345967439³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345967429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172983719 + 172983720.

It is an arithmetic number, because the mean of its divisors is an integer number (172983720).

Almost surely, 2^345967439 is an apocalyptic number.

345967439 is a deficient number, since it is larger than the sum of its proper divisors (1).

345967439 is an equidigital number, since it uses as much as digits as its factorization.

345967439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 50.

The square root of 345967439 is about 18600.1999720433. The cubic root of 345967439 is about 702.0128723597.

The spelling of 345967439 in words is "three hundred forty-five million, nine hundred sixty-seven thousand, four hundred thirty-nine".