438260 has 24 divisors (see below), whose sum is σ = 975240. Its totient is φ = 164864.

The previous prime is 438259. The next prime is 438271. The reversal of 438260 is 62834.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 283024 = 394^2 + 532^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (40635).

2⁴³⁸²⁶⁰ is an apocalyptic number.

It is an amenable number.

438260 is an abundant number, since it is smaller than the sum of its proper divisors (536980).

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

438260 is a wasteful number, since it uses less digits than its factorization.

438260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 438260 is about 662.0120844818. The cubic root of 438260 is about 75.9586571079.

The spelling of 438260 in words is "four hundred thirty-eight thousand, two hundred sixty".