268477 has 4 divisors (see below), whose sum is σ = 292896. Its totient is φ = 244060.

The previous prime is 268459. The next prime is 268487. The reversal of 268477 is 774862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268477 is a prime.

It is a Duffinian number.

268477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268487) 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, 12193 + ... + 12214.

It is an arithmetic number, because the mean of its divisors is an integer number (73224).

2²⁶⁸⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

268477 is a deficient number, since it is larger than the sum of its proper divisors (24419).

268477 is a wasteful number, since it uses less digits than its factorization.

268477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24418.

The product of its digits is 18816, while the sum is 34.

The square root of 268477 is about 518.1476623512. The cubic root of 268477 is about 64.5112854079.

The spelling of 268477 in words is "two hundred sixty-eight thousand, four hundred seventy-seven".