346426 has 16 divisors (see below), whose sum is σ = 575424. Its totient is φ = 155584.

The previous prime is 346421. The next prime is 346429. The reversal of 346426 is 624643.

346426 = 34² + 35² + ... + 102².

It is a self number, because there is not a number n which added to its sum of digits gives 346426.

It is not an unprimeable number, because it can be changed into a prime (346421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561 + ... + 1003.

It is an arithmetic number, because the mean of its divisors is an integer number (35964).

2³⁴⁶⁴²⁶ is an apocalyptic number.

346426 is a deficient number, since it is larger than the sum of its proper divisors (228998).

346426 is a wasteful number, since it uses less digits than its factorization.

346426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 3456, while the sum is 25.

The square root of 346426 is about 588.5796462672. The cubic root of 346426 is about 70.2322895371.

The spelling of 346426 in words is "three hundred forty-six thousand, four hundred twenty-six".