240806 has 8 divisors (see below), whose sum is σ = 380280. Its totient is φ = 114048.

The previous prime is 240797. The next prime is 240811. The reversal of 240806 is 608042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (47535).

2²⁴⁰⁸⁰⁶ is an apocalyptic number.

240806 is a deficient number, since it is larger than the sum of its proper divisors (139474).

240806 is a wasteful number, since it uses less digits than its factorization.

240806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 240806 is about 490.7198793609. The cubic root of 240806 is about 62.2141398704.

Adding to 240806 its reverse (608042), we get a palindrome (848848).

Subtracting 240806 from its reverse (608042), we obtain a square (367236 = 606²).

The spelling of 240806 in words is "two hundred forty thousand, eight hundred six".