1923796980 has 288 divisors, whose sum is σ = 6975730944. Its totient is φ = 435953664.

The previous prime is 1923796967. The next prime is 1923797003. The reversal of 1923796980 is 896973291.

1923796980 is a `hidden beast` number, since 192 + 379 + 6 + 9 + 80 = 666.

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 (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6565714 + ... + 6566006.

It is an arithmetic number, because the mean of its divisors is an integer number (24221288).

Almost surely, 2^1923796980 is an apocalyptic number.

1923796980 is a gapful number since it is divisible by the number (10) 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 1923796980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3487865472).

1923796980 is an abundant number, since it is smaller than the sum of its proper divisors (5051933964).

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

1923796980 is a wasteful number, since it uses less digits than its factorization.

1923796980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 1923796980 is about 43861.1101090704. The cubic root of 1923796980 is about 1243.7117753629.

The spelling of 1923796980 in words is "one billion, nine hundred twenty-three million, seven hundred ninety-six thousand, nine hundred eighty".