438275 has 12 divisors (see below), whose sum is σ = 556512. Its totient is φ = 342240.

The previous prime is 438271. The next prime is 438281. The reversal of 438275 is 572834.

It is a happy number.

It is not a de Polignac number, because 438275 - 2² = 438271 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 989 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (46376).

2⁴³⁸²⁷⁵ is an apocalyptic number.

438275 is a deficient number, since it is larger than the sum of its proper divisors (118237).

438275 is a wasteful number, since it uses less digits than its factorization.

438275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 425 counting only the distinct ones).

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

The square root of 438275 is about 662.0234134832. The cubic root of 438275 is about 75.9595236915.

The spelling of 438275 in words is "four hundred thirty-eight thousand, two hundred seventy-five".