9964899 has 24 divisors (see below), whose sum is σ = 16726112. Its totient is φ = 5598720.

The previous prime is 9964883. The next prime is 9964909. The reversal of 9964899 is 9984699.

It is a happy number.

It is not a de Polignac number, because 9964899 - 2⁴ = 9964883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9964859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2547 + ... + 5139.

Almost surely, 2^9964899 is an apocalyptic number.

9964899 is a deficient number, since it is larger than the sum of its proper divisors (6761213).

9964899 is a wasteful number, since it uses less digits than its factorization.

9964899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667 (or 2664 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 9964899 is about 3156.7228259700. The cubic root of 9964899 is about 215.1910974491.

The spelling of 9964899 in words is "nine million, nine hundred sixty-four thousand, eight hundred ninety-nine".