1939378116 has 24 divisors (see below), whose sum is σ = 4873309504. Its totient is φ = 596731680.

The previous prime is 1939378109. The next prime is 1939378141. The reversal of 1939378116 is 6118739391.

It is a super-3 number, since 3×1939378116³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6215800 + ... + 6216111.

Almost surely, 2^1939378116 is an apocalyptic number.

It is an amenable number.

1939378116 is an abundant number, since it is smaller than the sum of its proper divisors (2933931388).

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

1939378116 is a wasteful number, since it uses less digits than its factorization.

1939378116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12431931 (or 12431929 counting only the distinct ones).

The product of its digits is 244944, while the sum is 48.

The square root of 1939378116 is about 44038.3709507970. The cubic root of 1939378116 is about 1247.0604239464.

The spelling of 1939378116 in words is "one billion, nine hundred thirty-nine million, three hundred seventy-eight thousand, one hundred sixteen".