263768234 has 8 divisors (see below), whose sum is σ = 397294788. Its totient is φ = 131336640.

The previous prime is 263768221. The next prime is 263768257. The reversal of 263768234 is 432867362.

It can be written as a sum of positive squares in 2 ways, for example, as 242580625 + 21187609 = 15575^2 + 4603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 263768191 and 263768200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273137 + ... + 274100.

Almost surely, 2^263768234 is an apocalyptic number.

263768234 is a deficient number, since it is larger than the sum of its proper divisors (133526554).

263768234 is a wasteful number, since it uses less digits than its factorization.

263768234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547480.

The product of its digits is 290304, while the sum is 41.

The square root of 263768234 is about 16240.9431376383. The cubic root of 263768234 is about 641.3190844206.

The spelling of 263768234 in words is "two hundred sixty-three million, seven hundred sixty-eight thousand, two hundred thirty-four".