3894719488 has 88 divisors (see below), whose sum is σ = 8787034080. Its totient is φ = 1709137920.

The previous prime is 3894719471. The next prime is 3894719489. The reversal of 3894719488 is 8849174983.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894719489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320695 + ... + 332617.

It is an arithmetic number, because the mean of its divisors is an integer number (99852660).

Almost surely, 2^3894719488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3894719488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4393517040).

3894719488 is an abundant number, since it is smaller than the sum of its proper divisors (4892314592).

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

3894719488 is a wasteful number, since it uses less digits than its factorization.

3894719488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983 (or 11965 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 61.

The square root of 3894719488 is about 62407.6877315608. The cubic root of 3894719488 is about 1573.3501814404.

The spelling of 3894719488 in words is "three billion, eight hundred ninety-four million, seven hundred nineteen thousand, four hundred eighty-eight".