2184894136 has 32 divisors (see below), whose sum is σ = 4300531200. Its totient is φ = 1039281120.

The previous prime is 2184894121. The next prime is 2184894137. The reversal of 2184894136 is 6314984812.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184894137) 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, 60030 + ... + 89293.

It is an arithmetic number, because the mean of its divisors is an integer number (134391600).

Almost surely, 2^2184894136 is an apocalyptic number.

It is an amenable number.

2184894136 is a deficient number, since it is larger than the sum of its proper divisors (2115637064).

2184894136 is a wasteful number, since it uses less digits than its factorization.

2184894136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149419 (or 149415 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 2184894136 is about 46742.8511753402. The cubic root of 2184894136 is about 1297.6078565132.

The spelling of 2184894136 in words is "two billion, one hundred eighty-four million, eight hundred ninety-four thousand, one hundred thirty-six".