439824648 has 16 divisors (see below), whose sum is σ = 1099561680. Its totient is φ = 146608208.

The previous prime is 439824641. The next prime is 439824689. The reversal of 439824648 is 846428934.

It is a junction number, because it is equal to n+sod(n) for n = 439824597 and 439824606.

It is not an unprimeable number, because it can be changed into a prime (439824641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9162990 + ... + 9163037.

It is an arithmetic number, because the mean of its divisors is an integer number (68722605).

Almost surely, 2^439824648 is an apocalyptic number.

It is an amenable number.

439824648 is an abundant number, since it is smaller than the sum of its proper divisors (659737032).

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

439824648 is a wasteful number, since it uses less digits than its factorization.

439824648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18326036 (or 18326032 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 439824648 is about 20971.9967575813. The cubic root of 439824648 is about 760.4894400422.

The spelling of 439824648 in words is "four hundred thirty-nine million, eight hundred twenty-four thousand, six hundred forty-eight".