426704 has 10 divisors (see below), whose sum is σ = 826770. Its totient is φ = 213344.

The previous prime is 426697. The next prime is 426707. The reversal of 426704 is 407624.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 1600 = 652^2 + 40^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 426704.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426704.

It is not an unprimeable number, because it can be changed into a prime (426707) by changing a digit.

426704 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 13319 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (82677).

2⁴²⁶⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

426704 is a deficient number, since it is larger than the sum of its proper divisors (400066).

426704 is a wasteful number, since it uses less digits than its factorization.

426704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26677 (or 26671 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 426704 is about 653.2258414974. The cubic root of 426704 is about 75.2850779972.

The spelling of 426704 in words is "four hundred twenty-six thousand, seven hundred four".