263968934 has 8 divisors (see below), whose sum is σ = 396053328. Its totient is φ = 131951160.

The previous prime is 263968931. The next prime is 263968951. The reversal of 263968934 is 439869362.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263968931) 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, 5162 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (49506666).

Almost surely, 2^263968934 is an apocalyptic number.

263968934 is a deficient number, since it is larger than the sum of its proper divisors (132084394).

263968934 is a wasteful number, since it uses less digits than its factorization.

263968934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33310.

The product of its digits is 1679616, while the sum is 50.

The square root of 263968934 is about 16247.1207910817. The cubic root of 263968934 is about 641.4817020673.

The spelling of 263968934 in words is "two hundred sixty-three million, nine hundred sixty-eight thousand, nine hundred thirty-four".