842965 has 8 divisors (see below), whose sum is σ = 1030968. Its totient is φ = 661440.

The previous prime is 842957. The next prime is 842969. The reversal of 842965 is 569248.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 815409 = 166^2 + 903^2 .

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

It is not a de Polignac number, because 842965 - 2³ = 842957 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 842965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842969) 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, 1326 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (128871).

2⁸⁴²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

842965 is a deficient number, since it is larger than the sum of its proper divisors (188003).

842965 is a wasteful number, since it uses less digits than its factorization.

842965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

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

The square root of 842965 is about 918.1312542333. The cubic root of 842965 is about 94.4647648190.

The spelling of 842965 in words is "eight hundred forty-two thousand, nine hundred sixty-five".