262438 has 16 divisors (see below), whose sum is σ = 437760. Its totient is φ = 117000.

The previous prime is 262433. The next prime is 262459. The reversal of 262438 is 834262.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

262438 is a Friedman number, since it can be written as (6^2+4)*3^8-2, using all its digits and the basic arithmetic operations.

2²⁶²⁴³⁸ is an apocalyptic number.

262438 is a deficient number, since it is larger than the sum of its proper divisors (175322).

262438 is a wasteful number, since it uses less digits than its factorization.

262438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its digits is 2304, while the sum is 25.

The square root of 262438 is about 512.2870289203. The cubic root of 262438 is about 64.0239168424.

It can be divided in two parts, 2624 and 38, that added together give a palindrome (2662).

The spelling of 262438 in words is "two hundred sixty-two thousand, four hundred thirty-eight".