1939717272 has 64 divisors (see below), whose sum is σ = 5254001280. Its totient is φ = 594381312.

The previous prime is 1939717271. The next prime is 1939717279. The reversal of 1939717272 is 2727179391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939717271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37738 + ... + 72825.

It is an arithmetic number, because the mean of its divisors is an integer number (82093770).

Almost surely, 2^1939717272 is an apocalyptic number.

1939717272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1939717272 is an abundant number, since it is smaller than the sum of its proper divisors (3314284008).

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

1939717272 is a wasteful number, since it uses less digits than its factorization.

1939717272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110632 (or 110628 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 1939717272 is about 44042.2214698578. The cubic root of 1939717272 is about 1247.1331144941.

The spelling of 1939717272 in words is "one billion, nine hundred thirty-nine million, seven hundred seventeen thousand, two hundred seventy-two".