263288 has 8 divisors (see below), whose sum is σ = 493680. Its totient is φ = 131640.

The previous prime is 263287. The next prime is 263293. The reversal of 263288 is 882362.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 263288.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 263288.

It is not an unprimeable number, because it can be changed into a prime (263287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16448 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (61710).

2²⁶³²⁸⁸ is an apocalyptic number.

It is an amenable number.

263288 is a deficient number, since it is larger than the sum of its proper divisors (230392).

263288 is a wasteful number, since it uses less digits than its factorization.

263288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32917 (or 32913 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 263288 is about 513.1159712969. The cubic root of 263288 is about 64.0929638573.

The spelling of 263288 in words is "two hundred sixty-three thousand, two hundred eighty-eight".