346434401 has 4 divisors (see below), whose sum is σ = 347527572. Its totient is φ = 345341232.

The previous prime is 346434397. The next prime is 346434409. The reversal of 346434401 is 104434643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104434643 = 859 ⋅121577.

It can be written as a sum of positive squares in 2 ways, for example, as 134003776 + 212430625 = 11576^2 + 14575^2 .

It is a cyclic number.

It is not a de Polignac number, because 346434401 - 2² = 346434397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346434409) 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 3 ways as a sum of consecutive naturals, for example, 546110 + ... + 546743.

It is an arithmetic number, because the mean of its divisors is an integer number (86881893).

Almost surely, 2^346434401 is an apocalyptic number.

It is an amenable number.

346434401 is a deficient number, since it is larger than the sum of its proper divisors (1093171).

346434401 is a wasteful number, since it uses less digits than its factorization.

346434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093170.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 346434401 is about 18612.7483462276. The cubic root of 346434401 is about 702.3285725501.

The spelling of 346434401 in words is "three hundred forty-six million, four hundred thirty-four thousand, four hundred one".