439973952 has 112 divisors (see below), whose sum is σ = 1301154624. Its totient is φ = 130048000.

The previous prime is 439973951. The next prime is 439973959. The reversal of 439973952 is 259379934.

It is a junction number, because it is equal to n+sod(n) for n = 439973895 and 439973904.

It is not an unprimeable number, because it can be changed into a prime (439973951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84052 + ... + 89132.

It is an arithmetic number, because the mean of its divisors is an integer number (11617452).

Almost surely, 2^439973952 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 439973952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650577312).

439973952 is an abundant number, since it is smaller than the sum of its proper divisors (861180672).

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

439973952 is a wasteful number, since it uses less digits than its factorization.

439973952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5138 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 51.

The square root of 439973952 is about 20975.5560593754. The cubic root of 439973952 is about 760.5754828704.

The spelling of 439973952 in words is "four hundred thirty-nine million, nine hundred seventy-three thousand, nine hundred fifty-two".