439086648 has 256 divisors, whose sum is σ = 1507968000. Its totient is φ = 104993280.

The previous prime is 439086647. The next prime is 439086679. The reversal of 439086648 is 846680934.

It is a junction number, because it is equal to n+sod(n) for n = 439086597 and 439086606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439086647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1176990 + ... + 1177362.

It is an arithmetic number, because the mean of its divisors is an integer number (5890500).

Almost surely, 2^439086648 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 439086648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753984000).

439086648 is an abundant number, since it is smaller than the sum of its proper divisors (1068881352).

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

439086648 is a wasteful number, since it uses less digits than its factorization.

439086648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 439086648 is about 20954.3944794403. The cubic root of 439086648 is about 760.0638496680.

The spelling of 439086648 in words is "four hundred thirty-nine million, eighty-six thousand, six hundred forty-eight".