439346922 has 64 divisors (see below), whose sum is σ = 1031408640. Its totient is φ = 122173056.

The previous prime is 439346893. The next prime is 439346933. The reversal of 439346922 is 229643934.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264318 + ... + 265974.

It is an arithmetic number, because the mean of its divisors is an integer number (16115760).

Almost surely, 2^439346922 is an apocalyptic number.

439346922 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 439346922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515704320).

439346922 is an abundant number, since it is smaller than the sum of its proper divisors (592061718).

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

439346922 is a wasteful number, since it uses less digits than its factorization.

439346922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835.

The product of its digits is 279936, while the sum is 42.

The square root of 439346922 is about 20960.6040466395. The cubic root of 439346922 is about 760.2139990629.

It can be divided in two parts, 4393 and 46922, that added together give a palindrome (51315).

The spelling of 439346922 in words is "four hundred thirty-nine million, three hundred forty-six thousand, nine hundred twenty-two".