346434257 has 8 divisors (see below), whose sum is σ = 389304384. Its totient is φ = 305881488.

The previous prime is 346434251. The next prime is 346434271. The reversal of 346434257 is 752434643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 346434257 - 2⁴ = 346434241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346434257.

It is not an unprimeable number, because it can be changed into a prime (346434251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579023 + ... + 579620.

It is an arithmetic number, because the mean of its divisors is an integer number (48663048).

Almost surely, 2^346434257 is an apocalyptic number.

It is an amenable number.

346434257 is a deficient number, since it is larger than the sum of its proper divisors (42870127).

346434257 is a wasteful number, since it uses less digits than its factorization.

346434257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158679.

The product of its digits is 241920, while the sum is 38.

The square root of 346434257 is about 18612.7444779108. The cubic root of 346434257 is about 702.3284752394.

The spelling of 346434257 in words is "three hundred forty-six million, four hundred thirty-four thousand, two hundred fifty-seven".