984447972 has 24 divisors (see below), whose sum is σ = 2552272800. Its totient is φ = 328149288.

The previous prime is 984447929. The next prime is 984447983. The reversal of 984447972 is 279744489.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557522 + ... + 4557737.

It is an arithmetic number, because the mean of its divisors is an integer number (106344700).

Almost surely, 2^984447972 is an apocalyptic number.

It is an amenable number.

984447972 is an abundant number, since it is smaller than the sum of its proper divisors (1567824828).

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

984447972 is a wasteful number, since it uses less digits than its factorization.

984447972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115272 (or 9115264 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 984447972 is about 31375.9138831047. The cubic root of 984447972 is about 994.7888820874.

The spelling of 984447972 in words is "nine hundred eighty-four million, four hundred forty-seven thousand, nine hundred seventy-two".