266498 has 8 divisors (see below), whose sum is σ = 402192. Its totient is φ = 132436.

The previous prime is 266491. The next prime is 266521. The reversal of 266498 is 894662.

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

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266498.

It is not an unprimeable number, because it can be changed into a prime (266491) 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, 161 + ... + 747.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2²⁶⁶⁴⁹⁸ is an apocalyptic number.

266498 is a deficient number, since it is larger than the sum of its proper divisors (135694).

266498 is a wasteful number, since it uses less digits than its factorization.

266498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 20736, while the sum is 35.

The square root of 266498 is about 516.2344428649. The cubic root of 266498 is about 64.3523856219.

The spelling of 266498 in words is "two hundred sixty-six thousand, four hundred ninety-eight".