439639996 has 24 divisors (see below), whose sum is σ = 777621600. Its totient is φ = 217474752.

The previous prime is 439639979. The next prime is 439639999. The reversal of 439639996 is 699936934.

It is a self number, because there is not a number n which added to its sum of digits gives 439639996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439639999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163761 + ... + 166423.

It is an arithmetic number, because the mean of its divisors is an integer number (32400900).

Almost surely, 2^439639996 is an apocalyptic number.

It is an amenable number.

439639996 is a deficient number, since it is larger than the sum of its proper divisors (337981604).

439639996 is a wasteful number, since it uses less digits than its factorization.

439639996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093 (or 3091 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 58.

The square root of 439639996 is about 20967.5939487582. The cubic root of 439639996 is about 760.3829994770.

The spelling of 439639996 in words is "four hundred thirty-nine million, six hundred thirty-nine thousand, nine hundred ninety-six".