268903943 has 16 divisors (see below), whose sum is σ = 354979584. Its totient is φ = 197208960.

The previous prime is 268903933. The next prime is 268903949. The reversal of 268903943 is 349309862.

It is a cyclic number.

It is not a de Polignac number, because 268903943 - 2²² = 264709639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268903894 and 268903903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268903949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101405 + ... + 104022.

It is an arithmetic number, because the mean of its divisors is an integer number (22186224).

Almost surely, 2^268903943 is an apocalyptic number.

268903943 is a deficient number, since it is larger than the sum of its proper divisors (86075641).

268903943 is a wasteful number, since it uses less digits than its factorization.

268903943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205462.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 268903943 is about 16398.2908560618. The cubic root of 268903943 is about 645.4546345019.

The spelling of 268903943 in words is "two hundred sixty-eight million, nine hundred three thousand, nine hundred forty-three".