439948085 has 8 divisors (see below), whose sum is σ = 528071640. Its totient is φ = 351869184.

The previous prime is 439948079. The next prime is 439948087. The reversal of 439948085 is 580849934.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 877969 + 439070116 = 937^2 + 20954^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 439948085 - 2⁸ = 439947829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439948087) 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, 16961 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (66008955).

Almost surely, 2^439948085 is an apocalyptic number.

It is an amenable number.

439948085 is a deficient number, since it is larger than the sum of its proper divisors (88123555).

439948085 is a wasteful number, since it uses less digits than its factorization.

439948085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22327.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 439948085 is about 20974.9394516409. The cubic root of 439948085 is about 760.5605772974.

The spelling of 439948085 in words is "four hundred thirty-nine million, nine hundred forty-eight thousand, eighty-five".