9964889 has 8 divisors (see below), whose sum is σ = 10971840. Its totient is φ = 8974800.

The previous prime is 9964883. The next prime is 9964909. The reversal of 9964889 is 9884699.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9964889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9964889.

It is not an unprimeable number, because it can be changed into a prime (9964883) 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, 2957 + ... + 5354.

It is an arithmetic number, because the mean of its divisors is an integer number (1371480).

Almost surely, 2^9964889 is an apocalyptic number.

It is an amenable number.

9964889 is a deficient number, since it is larger than the sum of its proper divisors (1006951).

9964889 is a wasteful number, since it uses less digits than its factorization.

9964889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431.

The product of its digits is 1119744, while the sum is 53.

The square root of 9964889 is about 3156.7212420485. The cubic root of 9964889 is about 215.1910254661.

It can be divided in two parts, 996 and 4889, that added together give a palindrome (5885).

The spelling of 9964889 in words is "nine million, nine hundred sixty-four thousand, eight hundred eighty-nine".