439425 has 60 divisors (see below), whose sum is σ = 960256. Its totient is φ = 194400.

The previous prime is 439421. The next prime is 439427. The reversal of 439425 is 524934.

It is not a de Polignac number, because 439425 - 2² = 439421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁸ + 3¹¹ + 4⁸ + 9 + 2¹⁷ + 5³ .

Its product of digits (4320) is a multiple of the sum of its prime factors (60).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 439425.

It is not an unprimeable number, because it can be changed into a prime (439421) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14160 + ... + 14190.

2⁴³⁹⁴²⁵ is an apocalyptic number.

439425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

439425 is an abundant number, since it is smaller than the sum of its proper divisors (520831).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439425 is a wasteful number, since it uses less digits than its factorization.

439425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 46 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 439425 is about 662.8913938195. The cubic root of 439425 is about 76.0259029895.

The spelling of 439425 in words is "four hundred thirty-nine thousand, four hundred twenty-five".