840294 has 96 divisors (see below), whose sum is σ = 2446080. Its totient is φ = 209952.

The previous prime is 840289. The next prime is 840299. The reversal of 840294 is 492048.

840294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (840289) and next prime (840299).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840294.

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

840294 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44217 + ... + 44235.

It is an arithmetic number, because the mean of its divisors is an integer number (25480).

2⁸⁴⁰²⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223040).

840294 is an abundant number, since it is smaller than the sum of its proper divisors (1605786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

840294 is a wasteful number, since it uses less digits than its factorization.

840294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 840294 is about 916.6755151088. The cubic root of 840294 is about 94.3648862749.

The spelling of 840294 in words is "eight hundred forty thousand, two hundred ninety-four".