266590349 has 8 divisors (see below), whose sum is σ = 282482880. Its totient is φ = 250884000.

The previous prime is 266590339. The next prime is 266590369. The reversal of 266590349 is 943095662.

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

It is a cyclic number.

It is not a de Polignac number, because 266590349 - 2²⁴ = 249813133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266590339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43592 + ... + 49329.

It is an arithmetic number, because the mean of its divisors is an integer number (35310360).

Almost surely, 2^266590349 is an apocalyptic number.

It is an amenable number.

266590349 is a deficient number, since it is larger than the sum of its proper divisors (15892531).

266590349 is a wasteful number, since it uses less digits than its factorization.

266590349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93091.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 266590349 is about 16327.5947095707. The cubic root of 266590349 is about 643.5981806309.

The spelling of 266590349 in words is "two hundred sixty-six million, five hundred ninety thousand, three hundred forty-nine".