266873449 has 8 divisors (see below), whose sum is σ = 281398880. Its totient is φ = 252396000.

The previous prime is 266873447. The next prime is 266873471. The reversal of 266873449 is 944378662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266873449 - 2¹ = 266873447 is a prime.

It is a super-3 number, since 3×266873449³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266873443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 23104.

It is an arithmetic number, because the mean of its divisors is an integer number (35174860).

Almost surely, 2^266873449 is an apocalyptic number.

It is an amenable number.

266873449 is a deficient number, since it is larger than the sum of its proper divisors (14525431).

266873449 is a wasteful number, since it uses less digits than its factorization.

266873449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991.

The product of its digits is 1741824, while the sum is 49.

The square root of 266873449 is about 16336.2617816929. The cubic root of 266873449 is about 643.8259185420.

The spelling of 266873449 in words is "two hundred sixty-six million, eight hundred seventy-three thousand, four hundred forty-nine".