266298998 has 8 divisors (see below), whose sum is σ = 456512592. Its totient is φ = 114128136.

The previous prime is 266298997. The next prime is 266299009. The reversal of 266298998 is 899892662.

266298998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266298997) 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, 9510665 + ... + 9510692.

It is an arithmetic number, because the mean of its divisors is an integer number (57064074).

Almost surely, 2^266298998 is an apocalyptic number.

266298998 is a deficient number, since it is larger than the sum of its proper divisors (190213594).

266298998 is a wasteful number, since it uses less digits than its factorization.

266298998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19021366.

The product of its digits is 6718464, while the sum is 59.

The square root of 266298998 is about 16318.6702276871. The cubic root of 266298998 is about 643.3636368507.

The spelling of 266298998 in words is "two hundred sixty-six million, two hundred ninety-eight thousand, nine hundred ninety-eight".