263838967 has 8 divisors (see below), whose sum is σ = 304516512. Its totient is φ = 223908000.

The previous prime is 263838961. The next prime is 263838979. The reversal of 263838967 is 769838362.

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

It is a cyclic number.

It is not a de Polignac number, because 263838967 - 2¹⁵ = 263806199 is a prime.

It is a super-2 number, since 2×263838967² = 139222001015254178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263838961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185884 + ... + 187297.

It is an arithmetic number, because the mean of its divisors is an integer number (38064564).

Almost surely, 2^263838967 is an apocalyptic number.

263838967 is a deficient number, since it is larger than the sum of its proper divisors (40677545).

263838967 is a wasteful number, since it uses less digits than its factorization.

263838967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373289.

The product of its digits is 2612736, while the sum is 52.

The square root of 263838967 is about 16243.1206053517. The cubic root of 263838967 is about 641.3764054102.

The spelling of 263838967 in words is "two hundred sixty-three million, eight hundred thirty-eight thousand, nine hundred sixty-seven".