263796228 has 72 divisors (see below), whose sum is σ = 718317600. Its totient is φ = 81357696.

The previous prime is 263796179. The next prime is 263796251. The reversal of 263796228 is 822697362.

263796228 is a `hidden beast` number, since 2 + 637 + 9 + 6 + 2 + 2 + 8 = 666.

263796228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24928 + ... + 33896.

Almost surely, 2^263796228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263796228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359158800).

263796228 is an abundant number, since it is smaller than the sum of its proper divisors (454521372).

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

263796228 is a wasteful number, since it uses less digits than its factorization.

263796228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041 (or 9036 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 263796228 is about 16241.8049489581. The cubic root of 263796228 is about 641.3417715743.

The spelling of 263796228 in words is "two hundred sixty-three million, seven hundred ninety-six thousand, two hundred twenty-eight".