840294282 has 24 divisors (see below), whose sum is σ = 1756841184. Its totient is φ = 267918904.

The previous prime is 840294269. The next prime is 840294283. The reversal of 840294282 is 282492048.

It is a self number, because there is not a number n which added to its sum of digits gives 840294282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840294283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129198 + ... + 135545.

It is an arithmetic number, because the mean of its divisors is an integer number (73201716).

Almost surely, 2^840294282 is an apocalyptic number.

840294282 is an abundant number, since it is smaller than the sum of its proper divisors (916546902).

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

840294282 is a wasteful number, since it uses less digits than its factorization.

840294282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264794 (or 264771 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 840294282 is about 28987.8298946299. The cubic root of 840294282 is about 943.6489683112.

The spelling of 840294282 in words is "eight hundred forty million, two hundred ninety-four thousand, two hundred eighty-two".