841856328 has 80 divisors (see below), whose sum is σ = 2379051180. Its totient is φ = 278111232.

The previous prime is 841856299. The next prime is 841856329. The reversal of 841856328 is 823658148.

841856328 is a `hidden beast` number, since 8 + 4 + 1 + 8 + 5 + 632 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 779414724 + 62441604 = 27918^2 + 7902^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (841856329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67476 + ... + 78972.

Almost surely, 2^841856328 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 841856328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189525590).

841856328 is an abundant number, since it is smaller than the sum of its proper divisors (1537194852).

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

841856328 is a wasteful number, since it uses less digits than its factorization.

841856328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628 (or 11615 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 841856328 is about 29014.7605194322. The cubic root of 841856328 is about 944.2333313147.

It can be divided in two parts, 8418 and 56328, that added together give a palindrome (64746).

The spelling of 841856328 in words is "eight hundred forty-one million, eight hundred fifty-six thousand, three hundred twenty-eight".