263448 has 24 divisors (see below), whose sum is σ = 713700. Its totient is φ = 87792.

The previous prime is 263443. The next prime is 263489. The reversal of 263448 is 844362.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263443) by changing a digit.

263448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 1758 + ... + 1901.

263448 is a Friedman number, since it can be written as 8+6^4+4^3^2, using all its digits and the basic arithmetic operations.

2²⁶³⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

263448 is an abundant number, since it is smaller than the sum of its proper divisors (450252).

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

263448 is a wasteful number, since it uses less digits than its factorization.

263448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3664 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 263448 is about 513.2718577908. The cubic root of 263448 is about 64.1059443168.

Subtracting from 263448 its product of digits (4608), we obtain a triangular number (258840 = T₇₁₉).

The spelling of 263448 in words is "two hundred sixty-three thousand, four hundred forty-eight".