841491112 has 144 divisors (see below), whose sum is σ = 2048234580. Its totient is φ = 322882560.

The previous prime is 841491107. The next prime is 841491113. The reversal of 841491112 is 211194148.

It can be written as a sum of positive squares in 2 ways, for example, as 693479556 + 148011556 = 26334^2 + 12166^2 .

It is not an unprimeable number, because it can be changed into a prime (841491113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5359738 + ... + 5359894.

Almost surely, 2^841491112 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 841491112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024117290).

841491112 is an abundant number, since it is smaller than the sum of its proper divisors (1206743468).

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

841491112 is a wasteful number, since it uses less digits than its factorization.

841491112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 290 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 841491112 is about 29008.4662124698. The cubic root of 841491112 is about 944.0967684244.

The spelling of 841491112 in words is "eight hundred forty-one million, four hundred ninety-one thousand, one hundred twelve".