263950 has 12 divisors (see below), whose sum is σ = 491040. Its totient is φ = 105560.

The previous prime is 263941. The next prime is 263951. The reversal of 263950 is 59362.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2590 + ... + 2689.

It is an arithmetic number, because the mean of its divisors is an integer number (40920).

2²⁶³⁹⁵⁰ is an apocalyptic number.

263950 is a deficient number, since it is larger than the sum of its proper divisors (227090).

263950 is a wasteful number, since it uses less digits than its factorization.

263950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5286 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 263950 is about 513.7606446586. The cubic root of 263950 is about 64.1466364271.

The spelling of 263950 in words is "two hundred sixty-three thousand, nine hundred fifty".