268403803 has 8 divisors (see below), whose sum is σ = 289010160. Its totient is φ = 248332800.

The previous prime is 268403789. The next prime is 268403827. The reversal of 268403803 is 308304862.

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 268403803 - 2¹⁷ = 268272731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268403203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132798 + ... + 134803.

It is an arithmetic number, because the mean of its divisors is an integer number (36126270).

Almost surely, 2^268403803 is an apocalyptic number.

268403803 is a deficient number, since it is larger than the sum of its proper divisors (20606357).

268403803 is a wasteful number, since it uses less digits than its factorization.

268403803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267677.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 268403803 is about 16383.0339986219. The cubic root of 268403803 is about 645.0542213497.

The spelling of 268403803 in words is "two hundred sixty-eight million, four hundred three thousand, eight hundred three".