268904461 has 4 divisors (see below), whose sum is σ = 307319392. Its totient is φ = 230489532.

The previous prime is 268904459. The next prime is 268904483. The reversal of 268904461 is 164409862.

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 not a de Polignac number, because 268904461 - 2¹ = 268904459 is a prime.

It is a super-3 number, since 3×268904461³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268904401) 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, 19207455 + ... + 19207468.

It is an arithmetic number, because the mean of its divisors is an integer number (76829848).

Almost surely, 2^268904461 is an apocalyptic number.

It is an amenable number.

268904461 is a deficient number, since it is larger than the sum of its proper divisors (38414931).

268904461 is an equidigital number, since it uses as much as digits as its factorization.

268904461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38414930.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 268904461 is about 16398.3066503831. The cubic root of 268904461 is about 645.4550489563.

The spelling of 268904461 in words is "two hundred sixty-eight million, nine hundred four thousand, four hundred sixty-one".