439087 has 8 divisors (see below), whose sum is σ = 483840. Its totient is φ = 395160.

The previous prime is 439081. The next prime is 439123. The reversal of 439087 is 780934.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439081) 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, 1858 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2⁴³⁹⁰⁸⁷ is an apocalyptic number.

439087 is a deficient number, since it is larger than the sum of its proper divisors (44753).

439087 is a wasteful number, since it uses less digits than its factorization.

439087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 439087 is about 662.6364010526. The cubic root of 439087 is about 76.0064052773.

The spelling of 439087 in words is "four hundred thirty-nine thousand, eighty-seven".