840832872 has 48 divisors (see below), whose sum is σ = 2310561120. Its totient is φ = 254796960.

The previous prime is 840832819. The next prime is 840832891. The reversal of 840832872 is 278238048.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141868 + ... + 147675.

It is an arithmetic number, because the mean of its divisors is an integer number (48136690).

Almost surely, 2^840832872 is an apocalyptic number.

It is an amenable number.

840832872 is an abundant number, since it is smaller than the sum of its proper divisors (1469728248).

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

840832872 is a wasteful number, since it uses less digits than its factorization.

840832872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289574 (or 289559 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 840832872 is about 28997.1183395868. The cubic root of 840832872 is about 943.8505371192.

The spelling of 840832872 in words is "eight hundred forty million, eight hundred thirty-two thousand, eight hundred seventy-two".