426346 has 4 divisors (see below), whose sum is σ = 639522. Its totient is φ = 213172.

The previous prime is 426331. The next prime is 426353. The reversal of 426346 is 643624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 35721 = 625^2 + 189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 426346.

It is an unprimeable number.

426346 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106585 + ... + 106588.

2⁴²⁶³⁴⁶ is an apocalyptic number.

426346 is a deficient number, since it is larger than the sum of its proper divisors (213176).

426346 is a wasteful number, since it uses less digits than its factorization.

426346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213175.

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

The square root of 426346 is about 652.9517593207. The cubic root of 426346 is about 75.2640176533.

The spelling of 426346 in words is "four hundred twenty-six thousand, three hundred forty-six".