2184639342 has 32 divisors (see below), whose sum is σ = 4606062720. Its totient is φ = 688862880.

The previous prime is 2184639287. The next prime is 2184639371. The reversal of 2184639342 is 2439364812.

It is a super-2 number, since 2×2184639342² = 9545298109228385928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2184639294 and 2184639303.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 64908 + ... + 92640.

It is an arithmetic number, because the mean of its divisors is an integer number (143939460).

Almost surely, 2^2184639342 is an apocalyptic number.

2184639342 is an abundant number, since it is smaller than the sum of its proper divisors (2421423378).

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

2184639342 is a wasteful number, since it uses less digits than its factorization.

2184639342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28448.

The product of its digits is 248832, while the sum is 42.

The square root of 2184639342 is about 46740.1256095873. The cubic root of 2184639342 is about 1297.5574138634.

The spelling of 2184639342 in words is "two billion, one hundred eighty-four million, six hundred thirty-nine thousand, three hundred forty-two".