268409003 has 4 divisors (see below), whose sum is σ = 270055848. Its totient is φ = 266762160.

The previous prime is 268408999. The next prime is 268409021. The reversal of 268409003 is 300904862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268409003 - 2² = 268408999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268409023) 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, 823178 + ... + 823503.

It is an arithmetic number, because the mean of its divisors is an integer number (67513962).

Almost surely, 2^268409003 is an apocalyptic number.

268409003 is a deficient number, since it is larger than the sum of its proper divisors (1646845).

268409003 is a wasteful number, since it uses less digits than its factorization.

268409003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646844.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 268409003 is about 16383.1926986165. The cubic root of 268409003 is about 645.0583870387.

The spelling of 268409003 in words is "two hundred sixty-eight million, four hundred nine thousand, three".