840295 has 8 divisors (see below), whose sum is σ = 1033200. Its totient is φ = 655680.

The previous prime is 840289. The next prime is 840299. The reversal of 840295 is 592048.

It is a happy number.

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

It is not a de Polignac number, because 840295 - 2¹¹ = 838247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 2254.

It is an arithmetic number, because the mean of its divisors is an integer number (129150).

2⁸⁴⁰²⁹⁵ is an apocalyptic number.

840295 is a deficient number, since it is larger than the sum of its proper divisors (192905).

840295 is a wasteful number, since it uses less digits than its factorization.

840295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 840295 is about 916.6760605579. The cubic root of 840295 is about 94.3649237082.

The spelling of 840295 in words is "eight hundred forty thousand, two hundred ninety-five".