4644379884 has 12 divisors (see below), whose sum is σ = 10836886424. Its totient is φ = 1548126624.

The previous prime is 4644379879. The next prime is 4644379907. The reversal of 4644379884 is 4889734464.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193515817 + ... + 193515840.

Almost surely, 2^4644379884 is an apocalyptic number.

It is an amenable number.

4644379884 is an abundant number, since it is smaller than the sum of its proper divisors (6192506540).

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

4644379884 is a wasteful number, since it uses less digits than its factorization.

4644379884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387031664 (or 387031662 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 57.

The square root of 4644379884 is about 68149.6873360399. The cubic root of 4644379884 is about 1668.4348207065.

The spelling of 4644379884 in words is "four billion, six hundred forty-four million, three hundred seventy-nine thousand, eight hundred eighty-four".