439930 has 32 divisors (see below), whose sum is σ = 861840. Its totient is φ = 161280.

The previous prime is 439919. The next prime is 439949. The reversal of 439930 is 39934.

It can be written as a sum of positive squares in 8 ways, for example, as 170569 + 269361 = 413^2 + 519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10710 + ... + 10750.

2⁴³⁹⁹³⁰ is an apocalyptic number.

439930 is a deficient number, since it is larger than the sum of its proper divisors (421910).

439930 is a wasteful number, since it uses less digits than its factorization.

439930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 439930 is about 663.2721914870. The cubic root of 439930 is about 76.0550155669.

It can be divided in two parts, 439 and 930, that added together give a square (1369 = 37²).

The spelling of 439930 in words is "four hundred thirty-nine thousand, nine hundred thirty".