439901 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 329280.

The previous prime is 439891. The next prime is 439903. The reversal of 439901 is 109934.

It is a happy number.

It is not a de Polignac number, because 439901 - 2¹⁰ = 438877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439903) 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, 2135 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2⁴³⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

439901 is a deficient number, since it is larger than the sum of its proper divisors (130339).

439901 is a wasteful number, since it uses less digits than its factorization.

439901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 439901 is about 663.2503298152. The cubic root of 439901 is about 76.0533443587.

The spelling of 439901 in words is "four hundred thirty-nine thousand, nine hundred one".