422736 has 20 divisors (see below), whose sum is σ = 1092192. Its totient is φ = 140896.

The previous prime is 422711. The next prime is 422749. The reversal of 422736 is 637224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

422736 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356 + ... + 4451.

2⁴²²⁷³⁶ is an apocalyptic number.

It is an amenable number.

422736 is an abundant number, since it is smaller than the sum of its proper divisors (669456).

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

422736 is a wasteful number, since it uses less digits than its factorization.

422736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818 (or 8812 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 422736 is about 650.1815131177. The cubic root of 422736 is about 75.0509875513.

The spelling of 422736 in words is "four hundred twenty-two thousand, seven hundred thirty-six".