981984924 has 48 divisors (see below), whose sum is σ = 2569274400. Its totient is φ = 324321408.

The previous prime is 981984877. The next prime is 981984943. The reversal of 981984924 is 429489189.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29937 + ... + 53480.

It is an arithmetic number, because the mean of its divisors is an integer number (53526550).

Almost surely, 2^981984924 is an apocalyptic number.

It is an amenable number.

981984924 is an abundant number, since it is smaller than the sum of its proper divisors (1587289476).

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

981984924 is a wasteful number, since it uses less digits than its factorization.

981984924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83539 (or 83531 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 981984924 is about 31336.6386838155. The cubic root of 981984924 is about 993.9585490395.

The spelling of 981984924 in words is "nine hundred eighty-one million, nine hundred eighty-four thousand, nine hundred twenty-four".