346098409 has 2 divisors, whose sum is σ = 346098410. Its totient is φ = 346098408.

The previous prime is 346098397. The next prime is 346098449. The reversal of 346098409 is 904890643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345848409 + 250000 = 18597^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 346098409 - 2⁵ = 346098377 is a prime.

It is not a weakly prime, because it can be changed into another prime (346098449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173049204 + 173049205.

It is an arithmetic number, because the mean of its divisors is an integer number (173049205).

Almost surely, 2^346098409 is an apocalyptic number.

It is an amenable number.

346098409 is a deficient number, since it is larger than the sum of its proper divisors (1).

346098409 is an equidigital number, since it uses as much as digits as its factorization.

346098409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 346098409 is about 18603.7202999830. The cubic root of 346098409 is about 702.1014462311.

The spelling of 346098409 in words is "three hundred forty-six million, ninety-eight thousand, four hundred nine".