265838 has 8 divisors (see below), whose sum is σ = 405480. Its totient is φ = 130680.

The previous prime is 265831. The next prime is 265841. The reversal of 265838 is 838562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁸ + 6 + 8² + 5⁵ + 3⁵ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (50685).

2²⁶⁵⁸³⁸ is an apocalyptic number.

265838 is a deficient number, since it is larger than the sum of its proper divisors (139642).

265838 is a wasteful number, since it uses less digits than its factorization.

265838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its digits is 11520, while the sum is 32.

The square root of 265838 is about 515.5948021460. The cubic root of 265838 is about 64.2992173869.

The spelling of 265838 in words is "two hundred sixty-five thousand, eight hundred thirty-eight".