3919534272 has 140 divisors (see below), whose sum is σ = 11723299896. Its totient is φ = 1294755840.

The previous prime is 3919534271. The next prime is 3919534273. The reversal of 3919534272 is 2724359193.

3919534272 is a `hidden beast` number, since 3 + 91 + 9 + 534 + 27 + 2 = 666.

3919534272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3919534271) and next prime (3919534273).

It is not an unprimeable number, because it can be changed into a prime (3919534271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 582447 + ... + 589137.

Almost surely, 2^3919534272 is an apocalyptic number.

3919534272 is a gapful number since it is divisible by the number (32) 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 3919534272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5861649948).

3919534272 is an abundant number, since it is smaller than the sum of its proper divisors (7803765624).

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

3919534272 is a wasteful number, since it uses less digits than its factorization.

3919534272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828 (or 6809 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 3919534272 is about 62606.1839757064. The cubic root of 3919534272 is about 1576.6845866750.

The spelling of 3919534272 in words is "three billion, nine hundred nineteen million, five hundred thirty-four thousand, two hundred seventy-two".