266432 has 28 divisors (see below), whose sum is σ = 554736. Its totient is φ = 126720.

The previous prime is 266417. The next prime is 266447. The reversal of 266432 is 234662.

It is an interprime number because it is at equal distance from previous prime (266417) and next prime (266447).

It is a Harshad number since it is a multiple of its sum of digits (23).

Its product of digits (1728) is a multiple of the sum of its prime factors (216).

It is a junction number, because it is equal to n+sod(n) for n = 266398 and 266407.

It is an unprimeable number.

266432 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 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (19812).

2²⁶⁶⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277368).

266432 is an abundant number, since it is smaller than the sum of its proper divisors (288304).

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

266432 is a wasteful number, since it uses less digits than its factorization.

266432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 206 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 266432 is about 516.1705144620. The cubic root of 266432 is about 64.3470727514.

The spelling of 266432 in words is "two hundred sixty-six thousand, four hundred thirty-two".