999998883 has 12 divisors (see below), whose sum is σ = 1555554000. Its totient is φ = 615383856.

The previous prime is 999998869. The next prime is 999998903. The reversal of 999998883 is 388899999.

It is not a de Polignac number, because 999998883 - 2⁸ = 999998627 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (999998843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4273383 + ... + 4273616.

It is an arithmetic number, because the mean of its divisors is an integer number (129629500).

Almost surely, 2^999998883 is an apocalyptic number.

999998883 is a deficient number, since it is larger than the sum of its proper divisors (555555117).

999998883 is a wasteful number, since it uses less digits than its factorization.

999998883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547018 (or 8547015 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 72.

The square root of 999998883 is about 31622.7589403581. The cubic root of 999998883 is about 999.9996276665. Note that the first 3 decimals are identical.

The spelling of 999998883 in words is "nine hundred ninety-nine million, nine hundred ninety-eight thousand, eight hundred eighty-three".