3840436928 has 56 divisors (see below), whose sum is σ = 7860694464. Its totient is φ = 1860608000.

The previous prime is 3840436927. The next prime is 3840436949. The reversal of 3840436928 is 8296340483.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (3840436927) 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, 297488 + ... + 310128.

It is an arithmetic number, because the mean of its divisors is an integer number (140369544).

Almost surely, 2^3840436928 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 3840436928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3930347232).

3840436928 is an abundant number, since it is smaller than the sum of its proper divisors (4020257536).

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

3840436928 is a wasteful number, since it uses less digits than its factorization.

3840436928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801 (or 12791 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The square root of 3840436928 is about 61971.2588866807. The cubic root of 3840436928 is about 1566.0064471070.

The spelling of 3840436928 in words is "three billion, eight hundred forty million, four hundred thirty-six thousand, nine hundred twenty-eight".