439920396 has 72 divisors (see below), whose sum is σ = 1156792000. Its totient is φ = 146184912.

The previous prime is 439920389. The next prime is 439920419. The reversal of 439920396 is 693029934.

439920396 is a `hidden beast` number, since 439 + 9 + 203 + 9 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484575 + ... + 485481.

Almost surely, 2^439920396 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 439920396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578396000).

439920396 is an abundant number, since it is smaller than the sum of its proper divisors (716871604).

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

439920396 is a wasteful number, since it uses less digits than its factorization.

439920396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 439920396 is about 20974.2793916740. The cubic root of 439920396 is about 760.5446211696.

The spelling of 439920396 in words is "four hundred thirty-nine million, nine hundred twenty thousand, three hundred ninety-six".