842981472 has 96 divisors (see below), whose sum is σ = 2511129600. Its totient is φ = 275001984.

The previous prime is 842981459. The next prime is 842981521. The reversal of 842981472 is 274189248.

842981472 is a `hidden beast` number, since 84 + 29 + 81 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 30229 + ... + 50987.

It is an arithmetic number, because the mean of its divisors is an integer number (26157600).

Almost surely, 2^842981472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842981472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255564800).

842981472 is an abundant number, since it is smaller than the sum of its proper divisors (1668148128).

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

842981472 is a wasteful number, since it uses less digits than its factorization.

842981472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20825 (or 20811 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 842981472 is about 29034.1432110541. The cubic root of 842981472 is about 944.6538011278.

The spelling of 842981472 in words is "eight hundred forty-two million, nine hundred eighty-one thousand, four hundred seventy-two".