439049 has 4 divisors (see below), whose sum is σ = 472836. Its totient is φ = 405264.

The previous prime is 439009. The next prime is 439063. The reversal of 439049 is 940934.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156025 + 283024 = 395^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 439049 - 2⁸ = 438793 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (439009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16874 + ... + 16899.

It is an arithmetic number, because the mean of its divisors is an integer number (118209).

2⁴³⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

439049 is a deficient number, since it is larger than the sum of its proper divisors (33787).

439049 is a wasteful number, since it uses less digits than its factorization.

439049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33786.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 439049 is about 662.6077270905. The cubic root of 439049 is about 76.0042126012.

The spelling of 439049 in words is "four hundred thirty-nine thousand, forty-nine".