840089112 has 32 divisors (see below), whose sum is σ = 2101621680. Its totient is φ = 279843200.

The previous prime is 840089093. The next prime is 840089143. The reversal of 840089112 is 211980048.

It is a super-2 number, since 2×840089112² = 1411499432201897088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27862 + ... + 49562.

Almost surely, 2^840089112 is an apocalyptic number.

It is an amenable number.

840089112 is an abundant number, since it is smaller than the sum of its proper divisors (1261532568).

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

840089112 is a wasteful number, since it uses less digits than its factorization.

840089112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23323 (or 23319 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 840089112 is about 28984.2907796620. The cubic root of 840089112 is about 943.5721602126.

The spelling of 840089112 in words is "eight hundred forty million, eighty-nine thousand, one hundred twelve".