8984409 has 16 divisors (see below), whose sum is σ = 13775232. Its totient is φ = 5102208.

The previous prime is 8984407. The next prime is 8984441. The reversal of 8984409 is 9044898.

It is not a de Polignac number, because 8984409 - 2¹ = 8984407 is a prime.

8984409 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8984407) 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 15 ways as a sum of consecutive naturals, for example, 2397 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (860952).

Almost surely, 2^8984409 is an apocalyptic number.

It is an amenable number.

8984409 is a deficient number, since it is larger than the sum of its proper divisors (4790823).

8984409 is a wasteful number, since it uses less digits than its factorization.

8984409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 8984409 is about 2997.4003736571. The cubic root of 8984409 is about 207.8881995949. Note that the first 3 decimals are identical.

The spelling of 8984409 in words is "eight million, nine hundred eighty-four thousand, four hundred nine".