439016 has 8 divisors (see below), whose sum is σ = 823170. Its totient is φ = 219504.

The previous prime is 439009. The next prime is 439063. The reversal of 439016 is 610934.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 198916 = 490^2 + 446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 438982 and 439000.

It is an unprimeable number.

439016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27431 + ... + 27446.

2⁴³⁹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

439016 is a deficient number, since it is larger than the sum of its proper divisors (384154).

439016 is a wasteful number, since it uses less digits than its factorization.

439016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54883 (or 54879 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 439016 is about 662.5828250113. The cubic root of 439016 is about 76.0023083325.

The spelling of 439016 in words is "four hundred thirty-nine thousand, sixteen".