842365 has 8 divisors (see below), whose sum is σ = 1064160. Its totient is φ = 638352.

The previous prime is 842353. The next prime is 842371. The reversal of 842365 is 563248.

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 842365 - 2¹⁹ = 318077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4339 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (133020).

2⁸⁴²³⁶⁵ is an apocalyptic number.

It is an amenable number.

842365 is a deficient number, since it is larger than the sum of its proper divisors (221795).

842365 is a wasteful number, since it uses less digits than its factorization.

842365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891.

The product of its digits is 5760, while the sum is 28.

The square root of 842365 is about 917.8044454022. The cubic root of 842365 is about 94.4423469994.

The spelling of 842365 in words is "eight hundred forty-two thousand, three hundred sixty-five".