841000000 has 147 divisors (see below), whose sum is σ = 2160460627. Its totient is φ = 324800000.

The previous prime is 840999989. The next prime is 841000001. The reversal of 841000000 is 148.

The square root of 841000000 is 29000.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 712676416 + 128323584 = 26696^2 + 11328^2 .

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (841000001) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 28999986 + ... + 29000014.

Almost surely, 2^841000000 is an apocalyptic number.

841000000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

841000000 is the 29000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841000000

841000000 is an abundant number, since it is smaller than the sum of its proper divisors (1319460627).

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

841000000 is an frugal number, since it uses more digits than its factorization.

841000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The cubic root of 841000000 is about 943.9130677392.

Adding to 841000000 its reverse (148), we get a palindrome (841000148).

The spelling of 841000000 in words is "eight hundred forty-one million", and thus it is an aban number.