346816 has 14 divisors (see below), whose sum is σ = 688340. Its totient is φ = 173376.

The previous prime is 346793. The next prime is 346831. The reversal of 346816 is 618643.

It is a plaindrome in base 6.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2646 + ... + 2773.

2³⁴⁶⁸¹⁶ is an apocalyptic number.

It is an amenable number.

346816 is a deficient number, since it is larger than the sum of its proper divisors (341524).

346816 is an equidigital number, since it uses as much as digits as its factorization.

346816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431 (or 5421 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 346816 is about 588.9108591290. The cubic root of 346816 is about 70.2586350585.

The spelling of 346816 in words is "three hundred forty-six thousand, eight hundred sixteen".