263947468 has 12 divisors (see below), whose sum is σ = 486219160. Its totient is φ = 125027712.

The previous prime is 263947451. The next prime is 263947469. The reversal of 263947468 is 864749362.

It is a super-2 number, since 2×263947468² = 139336531727222048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (263947469) 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, 1736421 + ... + 1736572.

Almost surely, 2^263947468 is an apocalyptic number.

It is an amenable number.

263947468 is a deficient number, since it is larger than the sum of its proper divisors (222271692).

263947468 is a wasteful number, since it uses less digits than its factorization.

263947468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473016 (or 3473014 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 263947468 is about 16246.4601682951. The cubic root of 263947468 is about 641.4643131277.

The spelling of 263947468 in words is "two hundred sixty-three million, nine hundred forty-seven thousand, four hundred sixty-eight".