439916420 has 24 divisors (see below), whose sum is σ = 924326424. Its totient is φ = 175870976.

The previous prime is 439916419. The next prime is 439916441. The reversal of 439916420 is 24619934.

It can be written as a sum of positive squares in 4 ways, for example, as 156600196 + 283316224 = 12514^2 + 16832^2 .

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 7 ways as a sum of consecutive naturals, for example, 40622 + ... + 50298.

It is an arithmetic number, because the mean of its divisors is an integer number (38513601).

Almost surely, 2^439916420 is an apocalyptic number.

It is an amenable number.

439916420 is an abundant number, since it is smaller than the sum of its proper divisors (484410004).

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

439916420 is a wasteful number, since it uses less digits than its factorization.

439916420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 439916420 is about 20974.1846087041. The cubic root of 439916420 is about 760.5423298955.

The spelling of 439916420 in words is "four hundred thirty-nine million, nine hundred sixteen thousand, four hundred twenty".