268436983 has 8 divisors (see below), whose sum is σ = 270248400. Its totient is φ = 266632128.

The previous prime is 268436981. The next prime is 268437011. The reversal of 268436983 is 389634862.

It is a happy number.

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 268436983 - 2¹ = 268436981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268436981) 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, 100635 + ... + 103267.

It is an arithmetic number, because the mean of its divisors is an integer number (33781050).

Almost surely, 2^268436983 is an apocalyptic number.

268436983 is a deficient number, since it is larger than the sum of its proper divisors (1811417).

268436983 is a wasteful number, since it uses less digits than its factorization.

268436983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its digits is 1492992, while the sum is 49.

The square root of 268436983 is about 16384.0466002755. The cubic root of 268436983 is about 645.0808007262.

The spelling of 268436983 in words is "two hundred sixty-eight million, four hundred thirty-six thousand, nine hundred eighty-three".