240807 has 8 divisors (see below), whose sum is σ = 366976. Its totient is φ = 137592.

The previous prime is 240797. The next prime is 240811. The reversal of 240807 is 708042.

It is a happy number.

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

It is not a de Polignac number, because 240807 - 2⁶ = 240743 is a prime.

It is a super-2 number, since 2×240807² = 115976022498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11467 = 240807 / (2 + 4 + 0 + 8 + 0 + 7).

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240007) 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 7 ways as a sum of consecutive naturals, for example, 5713 + ... + 5754.

It is an arithmetic number, because the mean of its divisors is an integer number (45872).

2²⁴⁰⁸⁰⁷ is an apocalyptic number.

240807 is a deficient number, since it is larger than the sum of its proper divisors (126169).

240807 is a wasteful number, since it uses less digits than its factorization.

240807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11477.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 240807 is about 490.7208982711. The cubic root of 240807 is about 62.2142259896.

Adding to 240807 its reverse (708042), we get a palindrome (948849).

The spelling of 240807 in words is "two hundred forty thousand, eight hundred seven".