263426872 has 16 divisors (see below), whose sum is σ = 494517240. Its totient is φ = 131555616.

The previous prime is 263426861. The next prime is 263426879. The reversal of 263426872 is 278624362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263426879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12478 + ... + 26125.

Almost surely, 2^263426872 is an apocalyptic number.

It is an amenable number.

263426872 is a deficient number, since it is larger than the sum of its proper divisors (231090368).

263426872 is a wasteful number, since it uses less digits than its factorization.

263426872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39462 (or 39458 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 263426872 is about 16230.4304317538. The cubic root of 263426872 is about 641.0423054836.

The spelling of 263426872 in words is "two hundred sixty-three million, four hundred twenty-six thousand, eight hundred seventy-two".