1984748598 has 96 divisors (see below), whose sum is σ = 5068155456. Its totient is φ = 549483264.

The previous prime is 1984748593. The next prime is 1984748609. The reversal of 1984748598 is 8958474891.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984748593) 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 47 ways as a sum of consecutive naturals, for example, 1365240 + ... + 1366692.

It is an arithmetic number, because the mean of its divisors is an integer number (52793286).

Almost surely, 2^1984748598 is an apocalyptic number.

1984748598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984748598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534077728).

1984748598 is an abundant number, since it is smaller than the sum of its proper divisors (3083406858).

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

1984748598 is a wasteful number, since it uses less digits than its factorization.

1984748598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1795 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 1984748598 is about 44550.5173707332. The cubic root of 1984748598 is about 1256.7102808198.

The spelling of 1984748598 in words is "one billion, nine hundred eighty-four million, seven hundred forty-eight thousand, five hundred ninety-eight".