240867 has 16 divisors (see below), whose sum is σ = 389760. Its totient is φ = 145800.

The previous prime is 240859. The next prime is 240869. The reversal of 240867 is 768042.

It is not a de Polignac number, because 240867 - 2³ = 240859 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 240867.

It is not an unprimeable number, because it can be changed into a prime (240869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (24360).

2²⁴⁰⁸⁶⁷ is an apocalyptic number.

240867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

240867 is a deficient number, since it is larger than the sum of its proper divisors (148893).

240867 is a wasteful number, since it uses less digits than its factorization.

240867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 240867 is about 490.7820290108. The cubic root of 240867 is about 62.2193927049.

The spelling of 240867 in words is "two hundred forty thousand, eight hundred sixty-seven".