439349648 has 20 divisors (see below), whose sum is σ = 867302748. Its totient is φ = 215529600.

The previous prime is 439349629. The next prime is 439349663. The reversal of 439349648 is 846943934.

It can be written as a sum of positive squares in 2 ways, for example, as 202435984 + 236913664 = 14228^2 + 15392^2 .

It is a super-2 number, since 2×439349648² = 386056226395447808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 439349596 and 439349605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258203 + ... + 259898.

Almost surely, 2^439349648 is an apocalyptic number.

It is an amenable number.

439349648 is a deficient number, since it is larger than the sum of its proper divisors (427953100).

439349648 is a wasteful number, since it uses less digits than its factorization.

439349648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518162 (or 518156 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The square root of 439349648 is about 20960.6690732906. The cubic root of 439349648 is about 760.2155713505.

The spelling of 439349648 in words is "four hundred thirty-nine million, three hundred forty-nine thousand, six hundred forty-eight".