439066 has 4 divisors (see below), whose sum is σ = 658602. Its totient is φ = 219532.

The previous prime is 439063. The next prime is 439081. The reversal of 439066 is 660934.

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

It can be written as a sum of positive squares in only one way, i.e., 255025 + 184041 = 505^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (439063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109765 + ... + 109768.

2⁴³⁹⁰⁶⁶ is an apocalyptic number.

439066 is a deficient number, since it is larger than the sum of its proper divisors (219536).

439066 is a wasteful number, since it uses less digits than its factorization.

439066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219535.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 439066 is about 662.6205550690. The cubic root of 439066 is about 76.0051935509.

The spelling of 439066 in words is "four hundred thirty-nine thousand, sixty-six".