9964869 has 4 divisors (see below), whose sum is σ = 13286496. Its totient is φ = 6643244.

The previous prime is 9964859. The next prime is 9964879. The reversal of 9964869 is 9684699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (9964859) and next prime (9964879).

It is a cyclic number.

It is not a de Polignac number, because 9964869 - 2⁸ = 9964613 is a prime.

It is a super-2 number, since 2×9964869² = 198597228374322, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1660809 + ... + 1660814.

It is an arithmetic number, because the mean of its divisors is an integer number (3321624).

Almost surely, 2^9964869 is an apocalyptic number.

It is an amenable number.

9964869 is a deficient number, since it is larger than the sum of its proper divisors (3321627).

9964869 is a wasteful number, since it uses less digits than its factorization.

9964869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321626.

The product of its digits is 839808, while the sum is 51.

The square root of 9964869 is about 3156.7180742030. The cubic root of 9964869 is about 215.1908814998.

The spelling of 9964869 in words is "nine million, nine hundred sixty-four thousand, eight hundred sixty-nine".