438849 has 6 divisors (see below), whose sum is σ = 633906. Its totient is φ = 292560.

The previous prime is 438847. The next prime is 438853. The reversal of 438849 is 948834.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 3249 = 660^2 + 57^2 .

It is not a de Polignac number, because 438849 - 2¹ = 438847 is a prime.

It is a Curzon number.

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 438849.

It is not an unprimeable number, because it can be changed into a prime (438847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24372 + ... + 24389.

It is an arithmetic number, because the mean of its divisors is an integer number (105651).

2⁴³⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

438849 is a deficient number, since it is larger than the sum of its proper divisors (195057).

438849 is a wasteful number, since it uses less digits than its factorization.

438849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767 (or 48764 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 438849 is about 662.4567910438. The cubic root of 438849 is about 75.9926701149.

The spelling of 438849 in words is "four hundred thirty-eight thousand, eight hundred forty-nine".