841800961 has 8 divisors (see below), whose sum is σ = 858211200. Its totient is φ = 825410352.

The previous prime is 841800907. The next prime is 841800977. The reversal of 841800961 is 169008148.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 841800961 - 2¹¹ = 841798913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 841800961.

It is not an unprimeable number, because it can be changed into a prime (841800361) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 105490 + ... + 113188.

It is an arithmetic number, because the mean of its divisors is an integer number (107276400).

Almost surely, 2^841800961 is an apocalyptic number.

It is an amenable number.

841800961 is a deficient number, since it is larger than the sum of its proper divisors (16410239).

841800961 is a wasteful number, since it uses less digits than its factorization.

841800961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 841800961 is about 29013.8063859260. The cubic root of 841800961 is about 944.2126308257.

The spelling of 841800961 in words is "eight hundred forty-one million, eight hundred thousand, nine hundred sixty-one".