984099774 has 128 divisors (see below), whose sum is σ = 2482348032. Its totient is φ = 253624320.

The previous prime is 984099773. The next prime is 984099803. The reversal of 984099774 is 477990489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984099773) 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 63 ways as a sum of consecutive naturals, for example, 3829054 + ... + 3829310.

It is an arithmetic number, because the mean of its divisors is an integer number (19393344).

Almost surely, 2^984099774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 984099774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241174016).

984099774 is an abundant number, since it is smaller than the sum of its proper divisors (1498248258).

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

984099774 is a wasteful number, since it uses less digits than its factorization.

984099774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 984099774 is about 31370.3645818789. The cubic root of 984099774 is about 994.6715830678.

The spelling of 984099774 in words is "nine hundred eighty-four million, ninety-nine thousand, seven hundred seventy-four".