984557982 has 8 divisors (see below), whose sum is σ = 1969115976. Its totient is φ = 328185992.

The previous prime is 984557963. The next prime is 984557983. The reversal of 984557982 is 289755489.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

984557982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984557983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82046493 + ... + 82046504.

It is an arithmetic number, because the mean of its divisors is an integer number (246139497).

Almost surely, 2^984557982 is an apocalyptic number.

984557982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

984557982 is a wasteful number, since it uses less digits than its factorization.

984557982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164093002.

The product of its digits is 7257600, while the sum is 57.

The square root of 984557982 is about 31377.6669304778. Note that the first 3 decimals coincide. The cubic root of 984557982 is about 994.8259358989.

The spelling of 984557982 in words is "nine hundred eighty-four million, five hundred fifty-seven thousand, nine hundred eighty-two".