438725 has 24 divisors (see below), whose sum is σ = 654720. Its totient is φ = 285120.

The previous prime is 438721. The next prime is 438733. The reversal of 438725 is 527834.

It is a happy number.

It is not a de Polignac number, because 438725 - 2² = 438721 is a prime.

It is a super-3 number, since 3×438725³ = 253336871256984375, which contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438725.

It is not an unprimeable number, because it can be changed into a prime (438721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3971 + ... + 4079.

It is an arithmetic number, because the mean of its divisors is an integer number (27280).

2⁴³⁸⁷²⁵ is an apocalyptic number.

It is an amenable number.

438725 is a deficient number, since it is larger than the sum of its proper divisors (215995).

438725 is a wasteful number, since it uses less digits than its factorization.

438725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 438725 is about 662.3631934219. The cubic root of 438725 is about 75.9855120121.

The spelling of 438725 in words is "four hundred thirty-eight thousand, seven hundred twenty-five".