942865 has 32 divisors (see below), whose sum is σ = 1474560. Its totient is φ = 561600.

The previous prime is 942859. The next prime is 942869. The reversal of 942865 is 568249.

It is a happy number.

It is not a de Polignac number, because 942865 - 2³ = 942857 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 942865.

It is not an unprimeable number, because it can be changed into a prime (942869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11896 + ... + 11974.

It is an arithmetic number, because the mean of its divisors is an integer number (46080).

2⁹⁴²⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

942865 is a deficient number, since it is larger than the sum of its proper divisors (531695).

942865 is a wasteful number, since it uses less digits than its factorization.

942865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its digits is 17280, while the sum is 34.

The square root of 942865 is about 971.0123583148. The cubic root of 942865 is about 98.0580317127.

The spelling of 942865 in words is "nine hundred forty-two thousand, eight hundred sixty-five".