266898 has 8 divisors (see below), whose sum is σ = 533808. Its totient is φ = 88964.

The previous prime is 266897. The next prime is 266899. The reversal of 266898 is 898662.

It is an interprime number because it is at equal distance from previous prime (266897) and next prime (266899).

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

266898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (266891) 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, 22236 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (66726).

2²⁶⁶⁸⁹⁸ is an apocalyptic number.

266898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266898 is a wasteful number, since it uses less digits than its factorization.

266898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44488.

The product of its digits is 41472, while the sum is 39.

The square root of 266898 is about 516.6217184749. The cubic root of 266898 is about 64.3845660840.

The spelling of 266898 in words is "two hundred sixty-six thousand, eight hundred ninety-eight".