342951439 has 2 divisors, whose sum is σ = 342951440. Its totient is φ = 342951438.

The previous prime is 342951437. The next prime is 342951449. The reversal of 342951439 is 934159243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342951439 - 2¹ = 342951437 is a prime.

Together with 342951437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342951431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171475719 + 171475720.

It is an arithmetic number, because the mean of its divisors is an integer number (171475720).

Almost surely, 2^342951439 is an apocalyptic number.

342951439 is a deficient number, since it is larger than the sum of its proper divisors (1).

342951439 is an equidigital number, since it uses as much as digits as its factorization.

342951439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 342951439 is about 18518.9481072765. The cubic root of 342951439 is about 699.9669637470.

The spelling of 342951439 in words is "three hundred forty-two million, nine hundred fifty-one thousand, four hundred thirty-nine".