266935949 has 16 divisors (see below), whose sum is σ = 310670976. Its totient is φ = 224640000.

The previous prime is 266935937. The next prime is 266935957. The reversal of 266935949 is 949539662.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266935949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266935949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266935909) 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 15 ways as a sum of consecutive naturals, for example, 87449 + ... + 90449.

It is an arithmetic number, because the mean of its divisors is an integer number (19416936).

Almost surely, 2^266935949 is an apocalyptic number.

It is an amenable number.

266935949 is a deficient number, since it is larger than the sum of its proper divisors (43735027).

266935949 is a wasteful number, since it uses less digits than its factorization.

266935949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236.

The product of its digits is 3149280, while the sum is 53.

The square root of 266935949 is about 16338.1745920406. The cubic root of 266935949 is about 643.8761745456.

The spelling of 266935949 in words is "two hundred sixty-six million, nine hundred thirty-five thousand, nine hundred forty-nine".