9984465 has 40 divisors (see below), whose sum is σ = 18164520. Its totient is φ = 5246208.

The previous prime is 9984451. The next prime is 9984479. The reversal of 9984465 is 5644899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9984451) and next prime (9984479).

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 9979281 = 72^2 + 3159^2 .

It is not a de Polignac number, because 9984465 - 2⁸ = 9984209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

9984465 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9984465.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 35907 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (454113).

Almost surely, 2^9984465 is an apocalyptic number.

It is an amenable number.

9984465 is a deficient number, since it is larger than the sum of its proper divisors (8180055).

9984465 is a wasteful number, since it uses less digits than its factorization.

9984465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 374 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 9984465 is about 3159.8204062889. The cubic root of 9984465 is about 215.3318473721.

The spelling of 9984465 in words is "nine million, nine hundred eighty-four thousand, four hundred sixty-five".