439249716 has 36 divisors (see below), whose sum is σ = 1151451392. Its totient is φ = 146416248.

The previous prime is 439249691. The next prime is 439249729. The reversal of 439249716 is 617942934.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224980 + ... + 226923.

Almost surely, 2^439249716 is an apocalyptic number.

It is an amenable number.

439249716 is an abundant number, since it is smaller than the sum of its proper divisors (712201676).

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

439249716 is a wasteful number, since it uses less digits than its factorization.

439249716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451922 (or 451908 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 439249716 is about 20958.2851397723. The cubic root of 439249716 is about 760.1579288604.

The spelling of 439249716 in words is "four hundred thirty-nine million, two hundred forty-nine thousand, seven hundred sixteen".