999989035 has 8 divisors (see below), whose sum is σ = 1202347440. Its totient is φ = 798417504.

The previous prime is 999989033. The next prime is 999989069. The reversal of 999989035 is 530989999.

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 999989035 - 2¹ = 999989033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999989033) 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 7 ways as a sum of consecutive naturals, for example, 193917 + ... + 199006.

It is an arithmetic number, because the mean of its divisors is an integer number (150293430).

Almost surely, 2^999989035 is an apocalyptic number.

999989035 is a deficient number, since it is larger than the sum of its proper divisors (202358405).

999989035 is a wasteful number, since it uses less digits than its factorization.

999989035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393437.

The product of its (nonzero) digits is 7085880, while the sum is 61.

The square root of 999989035 is about 31622.6032293358. The cubic root of 999989035 is about 999.9963449866.

The spelling of 999989035 in words is "nine hundred ninety-nine million, nine hundred eighty-nine thousand, thirty-five".