242366865 has 32 divisors (see below), whose sum is σ = 422929920. Its totient is φ = 117801216.

The previous prime is 242366857. The next prime is 242366879. The reversal of 242366865 is 568663242.

It is a happy number.

242366865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242366865 - 2³ = 242366857 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7539 + ... + 23271.

It is an arithmetic number, because the mean of its divisors is an integer number (13216560).

Almost surely, 2^242366865 is an apocalyptic number.

It is an amenable number.

242366865 is a deficient number, since it is larger than the sum of its proper divisors (180563055).

242366865 is a wasteful number, since it uses less digits than its factorization.

242366865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15833.

The product of its digits is 414720, while the sum is 42.

The square root of 242366865 is about 15568.1362082942. The cubic root of 242366865 is about 623.4827109819.

The spelling of 242366865 in words is "two hundred forty-two million, three hundred sixty-six thousand, eight hundred sixty-five".