2184994638 has 24 divisors (see below), whose sum is σ = 4886870976. Its totient is φ = 704836800.

The previous prime is 2184994627. The next prime is 2184994657. The reversal of 2184994638 is 8364994812.

2184994638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1957323 + ... + 1958438.

It is an arithmetic number, because the mean of its divisors is an integer number (203619624).

Almost surely, 2^2184994638 is an apocalyptic number.

2184994638 is an abundant number, since it is smaller than the sum of its proper divisors (2701876338).

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

2184994638 is a wasteful number, since it uses less digits than its factorization.

2184994638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915800 (or 3915797 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 2184994638 is about 46743.9262150710. The cubic root of 2184994638 is about 1297.6277522423.

The spelling of 2184994638 in words is "two billion, one hundred eighty-four million, nine hundred ninety-four thousand, six hundred thirty-eight".