268879403 has 4 divisors (see below), whose sum is σ = 289562448. Its totient is φ = 248196360.

The previous prime is 268879381. The next prime is 268879411. The reversal of 268879403 is 304978862.

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 268879403 - 2⁸ = 268879147 is a prime.

It is a super-2 number, since 2×268879403² = 144592266715272818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268819403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10341503 + ... + 10341528.

It is an arithmetic number, because the mean of its divisors is an integer number (72390612).

Almost surely, 2^268879403 is an apocalyptic number.

268879403 is a deficient number, since it is larger than the sum of its proper divisors (20683045).

268879403 is a wasteful number, since it uses less digits than its factorization.

268879403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20683044.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 268879403 is about 16397.5425902786. The cubic root of 268879403 is about 645.4349993137.

The spelling of 268879403 in words is "two hundred sixty-eight million, eight hundred seventy-nine thousand, four hundred three".