3828655644 has 24 divisors (see below), whose sum is σ = 9745669248. Its totient is φ = 1160198640.

The previous prime is 3828655639. The next prime is 3828655681. The reversal of 3828655644 is 4465568283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14502352 + ... + 14502615.

It is an arithmetic number, because the mean of its divisors is an integer number (406069552).

Almost surely, 2^3828655644 is an apocalyptic number.

It is an amenable number.

3828655644 is an abundant number, since it is smaller than the sum of its proper divisors (5917013604).

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

3828655644 is a wasteful number, since it uses less digits than its factorization.

3828655644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29004985 (or 29004983 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The square root of 3828655644 is about 61876.1314563217. The cubic root of 3828655644 is about 1564.4034641534.

It can be divided in two parts, 38 and 28655644, that added together give a palindrome (28655682).

The spelling of 3828655644 in words is "three billion, eight hundred twenty-eight million, six hundred fifty-five thousand, six hundred forty-four".