266893049 has 8 divisors (see below), whose sum is σ = 271728000. Its totient is φ = 262068592.

The previous prime is 266893031. The next prime is 266893073. The reversal of 266893049 is 940398662.

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 266893049 - 2⁸ = 266892793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266892994 and 266893012.

It is not an unprimeable number, because it can be changed into a prime (266890049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63392 + ... + 67470.

It is an arithmetic number, because the mean of its divisors is an integer number (33966000).

Almost surely, 2^266893049 is an apocalyptic number.

It is an amenable number.

266893049 is a deficient number, since it is larger than the sum of its proper divisors (4834951).

266893049 is a wasteful number, since it uses less digits than its factorization.

266893049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 266893049 is about 16336.8616631224. The cubic root of 266893049 is about 643.8416796691.

The spelling of 266893049 in words is "two hundred sixty-six million, eight hundred ninety-three thousand, forty-nine".