240699 has 4 divisors (see below), whose sum is σ = 320936. Its totient is φ = 160464.

The previous prime is 240677. The next prime is 240701. The reversal of 240699 is 996042.

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

It is not a de Polignac number, because 240699 - 2⁷ = 240571 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240659) 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 3 ways as a sum of consecutive naturals, for example, 40114 + ... + 40119.

It is an arithmetic number, because the mean of its divisors is an integer number (80234).

2²⁴⁰⁶⁹⁹ is an apocalyptic number.

240699 is a deficient number, since it is larger than the sum of its proper divisors (80237).

240699 is an equidigital number, since it uses as much as digits as its factorization.

240699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80236.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 240699 is about 490.6108437448. The cubic root of 240699 is about 62.2049237391.

It can be divided in two parts, 240 and 699, that added together give a palindrome (939).

The spelling of 240699 in words is "two hundred forty thousand, six hundred ninety-nine".