1930380984 has 160 divisors (see below), whose sum is σ = 6448273920. Its totient is φ = 527529024.

The previous prime is 1930380979. The next prime is 1930381003. The reversal of 1930380984 is 4890830391.

1930380984 is a `hidden beast` number, since 193 + 0 + 380 + 9 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 95077 + ... + 113579.

It is an arithmetic number, because the mean of its divisors is an integer number (40301712).

Almost surely, 2^1930380984 is an apocalyptic number.

1930380984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1930380984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3224136960).

1930380984 is an abundant number, since it is smaller than the sum of its proper divisors (4517892936).

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

1930380984 is a wasteful number, since it uses less digits than its factorization.

1930380984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551 (or 18538 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1930380984 is about 43936.1011470067. The cubic root of 1930380984 is about 1245.1289864909.

The spelling of 1930380984 in words is "one billion, nine hundred thirty million, three hundred eighty thousand, nine hundred eighty-four".