240696939 has 16 divisors (see below), whose sum is σ = 367209728. Its totient is φ = 137378592.

The previous prime is 240696923. The next prime is 240696949. The reversal of 240696939 is 939696042.

It is not a de Polignac number, because 240696939 - 2⁴ = 240696923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240696919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12729 + ... + 25365.

It is an arithmetic number, because the mean of its divisors is an integer number (22950608).

Almost surely, 2^240696939 is an apocalyptic number.

240696939 is a deficient number, since it is larger than the sum of its proper divisors (126512789).

240696939 is a wasteful number, since it uses less digits than its factorization.

240696939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 240696939 is about 15514.4106881312. The cubic root of 240696939 is about 622.0474619408.

The spelling of 240696939 in words is "two hundred forty million, six hundred ninety-six thousand, nine hundred thirty-nine".