426957 has 4 divisors (see below), whose sum is σ = 569280. Its totient is φ = 284636.

The previous prime is 426941. The next prime is 426971. The reversal of 426957 is 759624.

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 a cyclic number.

It is not a de Polignac number, because 426957 - 2⁴ = 426941 is a prime.

It is a D-number.

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 426957.

It is not an unprimeable number, because it can be changed into a prime (426917) 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, 71157 + ... + 71162.

It is an arithmetic number, because the mean of its divisors is an integer number (142320).

2⁴²⁶⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

426957 is a deficient number, since it is larger than the sum of its proper divisors (142323).

426957 is a wasteful number, since it uses less digits than its factorization.

426957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142322.

The product of its digits is 15120, while the sum is 33.

The square root of 426957 is about 653.4194671113. The cubic root of 426957 is about 75.2999543217.

The spelling of 426957 in words is "four hundred twenty-six thousand, nine hundred fifty-seven".