999994841 has 4 divisors (see below), whose sum is σ = 1005775332. Its totient is φ = 994214352.

The previous prime is 999994837. The next prime is 999994843. The reversal of 999994841 is 148499999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390892441 + 609102400 = 19771^2 + 24680^2 .

It is a cyclic number.

It is not a de Polignac number, because 999994841 - 2² = 999994837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999994843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889986 + ... + 2890331.

It is an arithmetic number, because the mean of its divisors is an integer number (251443833).

Almost surely, 2^999994841 is an apocalyptic number.

It is an amenable number.

999994841 is a deficient number, since it is larger than the sum of its proper divisors (5780491).

999994841 is a wasteful number, since it uses less digits than its factorization.

999994841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780490.

The product of its digits is 7558272, while the sum is 62.

The square root of 999994841 is about 31622.6950306263. The cubic root of 999994841 is about 999.9982803304.

The spelling of 999994841 in words is "nine hundred ninety-nine million, nine hundred ninety-four thousand, eight hundred forty-one".