439161 has 16 divisors (see below), whose sum is σ = 633600. Its totient is φ = 269568.

The previous prime is 439157. The next prime is 439163. The reversal of 439161 is 161934.

It is not a de Polignac number, because 439161 - 2² = 439157 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 439161.

It is not an unprimeable number, because it can be changed into a prime (439163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3975 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2⁴³⁹¹⁶¹ is an apocalyptic number.

It is an amenable number.

439161 is a deficient number, since it is larger than the sum of its proper divisors (194439).

439161 is a wasteful number, since it uses less digits than its factorization.

439161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 648, while the sum is 24.

The square root of 439161 is about 662.6922362605. The cubic root of 439161 is about 76.0106748625.

The spelling of 439161 in words is "four hundred thirty-nine thousand, one hundred sixty-one".