984013644 has 12 divisors (see below), whose sum is σ = 2296031864. Its totient is φ = 328004544.

The previous prime is 984013643. The next prime is 984013649. The reversal of 984013644 is 446310489.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (984013643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41000557 + ... + 41000580.

Almost surely, 2^984013644 is an apocalyptic number.

It is an amenable number.

984013644 is an abundant number, since it is smaller than the sum of its proper divisors (1312018220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

984013644 is a wasteful number, since it uses less digits than its factorization.

984013644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82001144 (or 82001142 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 984013644 is about 31368.9917593792. The cubic root of 984013644 is about 994.6425638006.

The spelling of 984013644 in words is "nine hundred eighty-four million, thirteen thousand, six hundred forty-four".