1938801012 has 24 divisors (see below), whose sum is σ = 4525350816. Its totient is φ = 646055328.

The previous prime is 1938800971. The next prime is 1938801013. The reversal of 1938801012 is 2101088391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938801013) 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 7 ways as a sum of consecutive naturals, for example, 14203 + ... + 63869.

It is an arithmetic number, because the mean of its divisors is an integer number (188556284).

Almost surely, 2^1938801012 is an apocalyptic number.

1938801012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1938801012 is an abundant number, since it is smaller than the sum of its proper divisors (2586549804).

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

1938801012 is a wasteful number, since it uses less digits than its factorization.

1938801012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52927 (or 52925 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1938801012 is about 44031.8181773136. The cubic root of 1938801012 is about 1246.9367150539.

The spelling of 1938801012 in words is "one billion, nine hundred thirty-eight million, eight hundred one thousand, twelve".