240667 has 4 divisors (see below), whose sum is σ = 275056. Its totient is φ = 206280.

The previous prime is 240659. The next prime is 240677. The reversal of 240667 is 766042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240667 - 2³ = 240659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240607) 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, 17184 + ... + 17197.

It is an arithmetic number, because the mean of its divisors is an integer number (68764).

2²⁴⁰⁶⁶⁷ is an apocalyptic number.

240667 is a deficient number, since it is larger than the sum of its proper divisors (34389).

240667 is an equidigital number, since it uses as much as digits as its factorization.

240667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34388.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 240667 is about 490.5782302549. The cubic root of 240667 is about 62.2021669823.

The spelling of 240667 in words is "two hundred forty thousand, six hundred sixty-seven".