439864216 has 32 divisors (see below), whose sum is σ = 900694080. Its totient is φ = 199722400.

The previous prime is 439864207. The next prime is 439864219. The reversal of 439864216 is 612468934.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439864219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102351 + ... + 106561.

It is an arithmetic number, because the mean of its divisors is an integer number (28146690).

Almost surely, 2^439864216 is an apocalyptic number.

It is an amenable number.

439864216 is an abundant number, since it is smaller than the sum of its proper divisors (460829864).

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

439864216 is a wasteful number, since it uses less digits than its factorization.

439864216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415 (or 5411 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 439864216 is about 20972.9400895535. The cubic root of 439864216 is about 760.5122446940.

The spelling of 439864216 in words is "four hundred thirty-nine million, eight hundred sixty-four thousand, two hundred sixteen".