999916841 has 24 divisors (see below), whose sum is σ = 1259342784. Its totient is φ = 771301440.

The previous prime is 999916807. The next prime is 999916859. The reversal of 999916841 is 148619999.

999916841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 999916841 - 2¹⁸ = 999654697 is a prime.

It is a pancake number, because a pancake can be divided into 999916841 parts by 44719 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (999916861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 914291 + ... + 915383.

It is an arithmetic number, because the mean of its divisors is an integer number (52472616).

Almost surely, 2^999916841 is an apocalyptic number.

It is an amenable number.

999916841 is a deficient number, since it is larger than the sum of its proper divisors (259425943).

999916841 is a wasteful number, since it uses less digits than its factorization.

999916841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1220 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 56.

The square root of 999916841 is about 31621.4617151074. The cubic root of 999916841 is about 999.9722795649.

The spelling of 999916841 in words is "nine hundred ninety-nine million, nine hundred sixteen thousand, eight hundred forty-one".