841621056 has 28 divisors (see below), whose sum is σ = 2226789552. Its totient is φ = 280540288.

The previous prime is 841621051. The next prime is 841621117. The reversal of 841621056 is 650126148.

It is not an unprimeable number, because it can be changed into a prime (841621051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191530 + ... + 2191913.

Almost surely, 2^841621056 is an apocalyptic number.

It is an amenable number.

841621056 is an abundant number, since it is smaller than the sum of its proper divisors (1385168496).

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

841621056 is a wasteful number, since it uses less digits than its factorization.

841621056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383458 (or 4383448 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 841621056 is about 29010.7058859311. The cubic root of 841621056 is about 944.1453620833.

The spelling of 841621056 in words is "eight hundred forty-one million, six hundred twenty-one thousand, fifty-six".