1939939344 has 60 divisors (see below), whose sum is σ = 6204729856. Its totient is φ = 554268096.

The previous prime is 1939939327. The next prime is 1939939363. The reversal of 1939939344 is 4439399391.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961264 + ... + 963279.

Almost surely, 2^1939939344 is an apocalyptic number.

1939939344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1939939344 is an abundant number, since it is smaller than the sum of its proper divisors (4264790512).

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

1939939344 is a wasteful number, since it uses less digits than its factorization.

1939939344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924564 (or 1924555 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 1939939344 is about 44044.7425239381. The cubic root of 1939939344 is about 1247.1807060994.

The spelling of 1939939344 in words is "one billion, nine hundred thirty-nine million, nine hundred thirty-nine thousand, three hundred forty-four".