1938089088 has 192 divisors, whose sum is σ = 6059289600. Its totient is φ = 591058944.

The previous prime is 1938089057. The next prime is 1938089099. The reversal of 1938089088 is 8809808391.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1901443 + ... + 1902461.

It is an arithmetic number, because the mean of its divisors is an integer number (31558800).

Almost surely, 2^1938089088 is an apocalyptic number.

1938089088 is a gapful number since it is divisible by the number (18) 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 1938089088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029644800).

1938089088 is an abundant number, since it is smaller than the sum of its proper divisors (4121200512).

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

1938089088 is a wasteful number, since it uses less digits than its factorization.

1938089088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 1938089088 is about 44023.7332356083. The cubic root of 1938089088 is about 1246.7840721150.

The spelling of 1938089088 in words is "one billion, nine hundred thirty-eight million, eighty-nine thousand, eighty-eight".