426831 has 8 divisors (see below), whose sum is σ = 577200. Its totient is φ = 280512.

The previous prime is 426799. The next prime is 426841. The reversal of 426831 is 138624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426831 - 2⁵ = 426799 is a prime.

It is a super-2 number, since 2×426831² = 364369405122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426841) 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, 756 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (72150).

2⁴²⁶⁸³¹ is an apocalyptic number.

426831 is a deficient number, since it is larger than the sum of its proper divisors (150369).

426831 is a wasteful number, since it uses less digits than its factorization.

426831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its digits is 1152, while the sum is 24.

The square root of 426831 is about 653.3230441367. The cubic root of 426831 is about 75.2925462941.

The spelling of 426831 in words is "four hundred twenty-six thousand, eight hundred thirty-one".