9964487 has 8 divisors (see below), whose sum is σ = 11101440. Its totient is φ = 8880480.

The previous prime is 9964483. The next prime is 9964489. The reversal of 9964487 is 7844699.

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 9964487 - 2² = 9964483 is a prime.

It is a d-powerful number, because it can be written as 9 + 9³ + 6² + 4⁶ + 4¹¹ + 8³ + 7⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964481) 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, 12839 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (1387680).

Almost surely, 2^9964487 is an apocalyptic number.

9964487 is a deficient number, since it is larger than the sum of its proper divisors (1136953).

9964487 is a wasteful number, since it uses less digits than its factorization.

9964487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26473.

The product of its digits is 435456, while the sum is 47.

The square root of 9964487 is about 3156.6575677447. The cubic root of 9964487 is about 215.1881317073.

The spelling of 9964487 in words is "nine million, nine hundred sixty-four thousand, four hundred eighty-seven".