439494648 has 32 divisors (see below), whose sum is σ = 1106649600. Its totient is φ = 145443168.

The previous prime is 439494647. The next prime is 439494661. The reversal of 439494648 is 846494934.

It is a self number, because there is not a number n which added to its sum of digits gives 439494648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439494647) 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, 62536 + ... + 69207.

It is an arithmetic number, because the mean of its divisors is an integer number (34582800).

Almost surely, 2^439494648 is an apocalyptic number.

It is an amenable number.

439494648 is an abundant number, since it is smaller than the sum of its proper divisors (667154952).

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

439494648 is a wasteful number, since it uses less digits than its factorization.

439494648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131891 (or 131887 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The square root of 439494648 is about 20964.1276470069. The cubic root of 439494648 is about 760.2991942947.

The spelling of 439494648 in words is "four hundred thirty-nine million, four hundred ninety-four thousand, six hundred forty-eight".