240714857 has 8 divisors (see below), whose sum is σ = 256438560. Its totient is φ = 225296640.

The previous prime is 240714827. The next prime is 240714893. The reversal of 240714857 is 758417042.

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

It is a cyclic number.

It is not a de Polignac number, because 240714857 - 2²² = 236520553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240714857.

It is not an unprimeable number, because it can be changed into a prime (240714827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74744 + ... + 77897.

It is an arithmetic number, because the mean of its divisors is an integer number (32054820).

Almost surely, 2^240714857 is an apocalyptic number.

It is an amenable number.

240714857 is a deficient number, since it is larger than the sum of its proper divisors (15723703).

240714857 is a wasteful number, since it uses less digits than its factorization.

240714857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152743.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 240714857 is about 15514.9881405047. The cubic root of 240714857 is about 622.0628970766.

The spelling of 240714857 in words is "two hundred forty million, seven hundred fourteen thousand, eight hundred fifty-seven".