250668 has 48 divisors (see below), whose sum is σ = 712320. Its totient is φ = 75600.

The previous prime is 250643. The next prime is 250673. The reversal of 250668 is 866052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

250668 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, 1083 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (14840).

2²⁵⁰⁶⁶⁸ 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 250668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356160).

250668 is an abundant number, since it is smaller than the sum of its proper divisors (461652).

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

250668 is a wasteful number, since it uses less digits than its factorization.

250668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 250668 is about 500.6675543712. The cubic root of 250668 is about 63.0521110789.

The spelling of 250668 in words is "two hundred fifty thousand, six hundred sixty-eight".