263862 has 24 divisors (see below), whose sum is σ = 581256. Its totient is φ = 86496.

The previous prime is 263849. The next prime is 263863. The reversal of 263862 is 268362.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263863) by changing a digit.

263862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1858 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (24219).

2²⁶³⁸⁶² is an apocalyptic number.

263862 is an abundant number, since it is smaller than the sum of its proper divisors (317394).

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

263862 is a wasteful number, since it uses less digits than its factorization.

263862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 249 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 263862 is about 513.6749945247. The cubic root of 263862 is about 64.1395068806.

The spelling of 263862 in words is "two hundred sixty-three thousand, eight hundred sixty-two".