9989031 has 8 divisors (see below), whose sum is σ = 14343280. Its totient is φ = 6147072.

The previous prime is 9989027. The next prime is 9989039. The reversal of 9989031 is 1309899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9989031 - 2² = 9989027 is a prime.

It is a super-2 number, since 2×9989031² = 199561480637922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 256129 = 9989031 / (9 + 9 + 8 + 9 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128026 + ... + 128103.

It is an arithmetic number, because the mean of its divisors is an integer number (1792910).

Almost surely, 2^9989031 is an apocalyptic number.

9989031 is a deficient number, since it is larger than the sum of its proper divisors (4354249).

9989031 is a wasteful number, since it uses less digits than its factorization.

9989031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256145.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 9989031 is about 3160.5428331222. The cubic root of 9989031 is about 215.3646668698.

The spelling of 9989031 in words is "nine million, nine hundred eighty-nine thousand, thirty-one".