840275 has 24 divisors (see below), whose sum is σ = 1153200. Its totient is φ = 604800.

The previous prime is 840269. The next prime is 840277. The reversal of 840275 is 572048.

840275 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 840275 - 2¹⁸ = 578131 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840275.

It is not an unprimeable number, because it can be changed into a prime (840277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13745 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (48050).

2⁸⁴⁰²⁷⁵ is an apocalyptic number.

840275 is a deficient number, since it is larger than the sum of its proper divisors (312925).

840275 is a wasteful number, since it uses less digits than its factorization.

840275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 840275 is about 916.6651515139. The cubic root of 840275 is about 94.3641750372.

The spelling of 840275 in words is "eight hundred forty thousand, two hundred seventy-five".