346680469 has 2 divisors, whose sum is σ = 346680470. Its totient is φ = 346680468.

The previous prime is 346680457. The next prime is 346680527. The reversal of 346680469 is 964086643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218152900 + 128527569 = 14770^2 + 11337^2 .

It is a cyclic number.

It is not a de Polignac number, because 346680469 - 2⁵ = 346680437 is a prime.

It is a super-2 number, since 2×346680469² = 240374695172119922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346680569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173340234 + 173340235.

It is an arithmetic number, because the mean of its divisors is an integer number (173340235).

Almost surely, 2^346680469 is an apocalyptic number.

It is an amenable number.

346680469 is a deficient number, since it is larger than the sum of its proper divisors (1).

346680469 is an equidigital number, since it uses as much as digits as its factorization.

346680469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 346680469 is about 18619.3573734434. The cubic root of 346680469 is about 702.4948182476.

The spelling of 346680469 in words is "three hundred forty-six million, six hundred eighty thousand, four hundred sixty-nine".