266046 has 32 divisors (see below), whose sum is σ = 604800. Its totient is φ = 77280.

The previous prime is 266029. The next prime is 266047. The reversal of 266046 is 640662.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266047) by changing a digit.

266046 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2²⁶⁶⁰⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302400).

266046 is an abundant number, since it is smaller than the sum of its proper divisors (338754).

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

266046 is a wasteful number, since it uses less digits than its factorization.

266046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 266046 is about 515.7964714885. The cubic root of 266046 is about 64.3159829240.

The spelling of 266046 in words is "two hundred sixty-six thousand, forty-six".