1873983920 has 20 divisors (see below), whose sum is σ = 4357012800. Its totient is φ = 749593536.

The previous prime is 1873983913. The next prime is 1873983929. The reversal of 1873983920 is 293893781.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1873983929) 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, 11712320 + ... + 11712479.

It is an arithmetic number, because the mean of its divisors is an integer number (217850640).

Almost surely, 2^1873983920 is an apocalyptic number.

1873983920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873983920 is an abundant number, since it is smaller than the sum of its proper divisors (2483028880).

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

1873983920 is a wasteful number, since it uses less digits than its factorization.

1873983920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23424812 (or 23424806 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1873983920 is about 43289.5359180484. The cubic root of 1873983920 is about 1232.8832530273.

The spelling of 1873983920 in words is "one billion, eight hundred seventy-three million, nine hundred eighty-three thousand, nine hundred twenty".