263104 has 14 divisors (see below), whose sum is σ = 522224. Its totient is φ = 131520.

The previous prime is 263101. The next prime is 263111. The reversal of 263104 is 401362.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263101) 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 as a sum of consecutive naturals, namely, 1992 + ... + 2119.

2²⁶³¹⁰⁴ is an apocalyptic number.

It is an amenable number.

263104 is a deficient number, since it is larger than the sum of its proper divisors (259120).

263104 is an equidigital number, since it uses as much as digits as its factorization.

263104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 263104 is about 512.9366432611. The cubic root of 263104 is about 64.0780298261.

Adding to 263104 its reverse (401362), we get a palindrome (664466).

The spelling of 263104 in words is "two hundred sixty-three thousand, one hundred four".