263494 has 32 divisors (see below), whose sum is σ = 518400. Its totient is φ = 97440.

The previous prime is 263491. The next prime is 263503. The reversal of 263494 is 494362.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4³ + 3⁶ + 9 + 4⁹ .

Its product of digits (5184) is a multiple of the sum of its prime divisors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4437 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2²⁶³⁴⁹⁴ is an apocalyptic number.

263494 is a deficient number, since it is larger than the sum of its proper divisors (254906).

263494 is a wasteful number, since it uses less digits than its factorization.

263494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108.

The product of its digits is 5184, while the sum is 28.

The square root of 263494 is about 513.3166663961. The cubic root of 263494 is about 64.1096752262.

It can be divided in two parts, 263 and 494, that added together give a palindrome (757).

The spelling of 263494 in words is "two hundred sixty-three thousand, four hundred ninety-four".