426712 has 32 divisors (see below), whose sum is σ = 942480. Its totient is φ = 178560.

The previous prime is 426709. The next prime is 426731. The reversal of 426712 is 217624.

426712 = T₁₂₈ + T₁₂₉ + ... + T₁₆₆.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958 + ... + 1330.

2⁴²⁶⁷¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471240).

426712 is an abundant number, since it is smaller than the sum of its proper divisors (515768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426712 is a wasteful number, since it uses less digits than its factorization.

426712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 399 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 426712 is about 653.2319649252. The cubic root of 426712 is about 75.2855484848.

The spelling of 426712 in words is "four hundred twenty-six thousand, seven hundred twelve".