426693 has 4 divisors (see below), whose sum is σ = 568928. Its totient is φ = 284460.

The previous prime is 426691. The next prime is 426697. The reversal of 426693 is 396624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 426693 - 2¹ = 426691 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 426693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71113 + ... + 71118.

It is an arithmetic number, because the mean of its divisors is an integer number (142232).

2⁴²⁶⁶⁹³ is an apocalyptic number.

It is an amenable number.

426693 is a deficient number, since it is larger than the sum of its proper divisors (142235).

426693 is a wasteful number, since it uses less digits than its factorization.

426693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142234.

The product of its digits is 7776, while the sum is 30.

The square root of 426693 is about 653.2174216905. The cubic root of 426693 is about 75.2844310671.

The spelling of 426693 in words is "four hundred twenty-six thousand, six hundred ninety-three".