439713730 has 16 divisors (see below), whose sum is σ = 791757504. Its totient is φ = 175824880.

The previous prime is 439713727. The next prime is 439713731. The reversal of 439713730 is 37317934.

It is a self number, because there is not a number n which added to its sum of digits gives 439713730.

It is not an unprimeable number, because it can be changed into a prime (439713731) 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, 33489 + ... + 44731.

It is an arithmetic number, because the mean of its divisors is an integer number (49484844).

Almost surely, 2^439713730 is an apocalyptic number.

439713730 is a deficient number, since it is larger than the sum of its proper divisors (352043774).

439713730 is a wasteful number, since it uses less digits than its factorization.

439713730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 439713730 is about 20969.3521597593. The cubic root of 439713730 is about 760.4255061844.

The spelling of 439713730 in words is "four hundred thirty-nine million, seven hundred thirteen thousand, seven hundred thirty".