9013989 has 8 divisors (see below), whose sum is σ = 12274560. Its totient is φ = 5881376.

The previous prime is 9013969. The next prime is 9013993. The reversal of 9013989 is 9893109.

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 9013989 - 2⁵ = 9013957 is a prime.

9013989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9013969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31824 + ... + 32105.

It is an arithmetic number, because the mean of its divisors is an integer number (1534320).

Almost surely, 2^9013989 is an apocalyptic number.

It is an amenable number.

9013989 is a deficient number, since it is larger than the sum of its proper divisors (3260571).

9013989 is a wasteful number, since it uses less digits than its factorization.

9013989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63979.

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

The square root of 9013989 is about 3002.3305947214. The cubic root of 9013989 is about 208.1160979698.

The spelling of 9013989 in words is "nine million, thirteen thousand, nine hundred eighty-nine".