346439425 has 6 divisors (see below), whose sum is σ = 429584918. Its totient is φ = 277151520.

The previous prime is 346439419. The next prime is 346439441. The reversal of 346439425 is 524934643.

It can be written as a sum of positive squares in 3 ways, for example, as 55771024 + 290668401 = 7468^2 + 17049^2 .

It is not a de Polignac number, because 346439425 - 2³ = 346439417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6928764 + ... + 6928813.

Almost surely, 2^346439425 is an apocalyptic number.

It is an amenable number.

346439425 is a deficient number, since it is larger than the sum of its proper divisors (83145493).

346439425 is a wasteful number, since it uses less digits than its factorization.

346439425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13857587 (or 13857582 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 346439425 is about 18612.8833070000. The cubic root of 346439425 is about 702.3319675956.

The spelling of 346439425 in words is "three hundred forty-six million, four hundred thirty-nine thousand, four hundred twenty-five".