840267 has 8 divisors (see below), whose sum is σ = 1244880. Its totient is φ = 560160.

The previous prime is 840253. The next prime is 840269. The reversal of 840267 is 762048.

840267 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 840267 - 2⁷ = 840139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 31121 = 840267 / (8 + 4 + 0 + 2 + 6 + 7).

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 840267.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840267.

It is not an unprimeable number, because it can be changed into a prime (840269) 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, 15534 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (155610).

2⁸⁴⁰²⁶⁷ is an apocalyptic number.

840267 is a deficient number, since it is larger than the sum of its proper divisors (404613).

840267 is a wasteful number, since it uses less digits than its factorization.

840267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31130 (or 31124 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 840267 is about 916.6607878599. The cubic root of 840267 is about 94.3638755655.

The spelling of 840267 in words is "eight hundred forty thousand, two hundred sixty-seven".