439868799 has 20 divisors (see below), whose sum is σ = 658699800. Its totient is φ = 292526640.

The previous prime is 439868797. The next prime is 439868831. The reversal of 439868799 is 997868934.

It is not a de Polignac number, because 439868799 - 2¹ = 439868797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439868797) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27652 + ... + 40550.

It is an arithmetic number, because the mean of its divisors is an integer number (32934990).

Almost surely, 2^439868799 is an apocalyptic number.

439868799 is a deficient number, since it is larger than the sum of its proper divisors (218831001).

439868799 is a wasteful number, since it uses less digits than its factorization.

439868799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332 (or 13323 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 439868799 is about 20973.0493491052. The cubic root of 439868799 is about 760.5148859754.

The spelling of 439868799 in words is "four hundred thirty-nine million, eight hundred sixty-eight thousand, seven hundred ninety-nine".