9989433 has 8 divisors (see below), whose sum is σ = 14799200. Its totient is φ = 6659604.

The previous prime is 9989431. The next prime is 9989437. The reversal of 9989433 is 3349899.

9989433 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 9989433 - 2¹ = 9989431 is a prime.

It is a super-2 number, since 2×9989433² = 199577543322978, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9989431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184963 + ... + 185016.

It is an arithmetic number, because the mean of its divisors is an integer number (1849900).

Almost surely, 2^9989433 is an apocalyptic number.

It is an amenable number.

9989433 is a deficient number, since it is larger than the sum of its proper divisors (4809767).

9989433 is a wasteful number, since it uses less digits than its factorization.

9989433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369988 (or 369982 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 9989433 is about 3160.6064291525. The cubic root of 9989433 is about 215.3675558865.

The spelling of 9989433 in words is "nine million, nine hundred eighty-nine thousand, four hundred thirty-three".