426686832 has 160 divisors (see below), whose sum is σ = 1439074560. Its totient is φ = 119335680.

The previous prime is 426686797. The next prime is 426686833. The reversal of 426686832 is 238686624.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426686833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58323 + ... + 65229.

It is an arithmetic number, because the mean of its divisors is an integer number (8994216).

Almost surely, 2^426686832 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 426686832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719537280).

426686832 is an abundant number, since it is smaller than the sum of its proper divisors (1012387728).

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

426686832 is a wasteful number, since it uses less digits than its factorization.

426686832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948 (or 6936 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 426686832 is about 20656.3992990066. The cubic root of 426686832 is about 752.8406831087.

The spelling of 426686832 in words is "four hundred twenty-six million, six hundred eighty-six thousand, eight hundred thirty-two".