2187339346 has 8 divisors (see below), whose sum is σ = 3292207884. Its totient is φ = 1089936720.

The previous prime is 2187339331. The next prime is 2187339389. The reversal of 2187339346 is 6439337812.

It can be written as a sum of positive squares in 2 ways, for example, as 2186591121 + 748225 = 46761^2 + 865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2187339296 and 2187339305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865745 + ... + 1866916.

Almost surely, 2^2187339346 is an apocalyptic number.

2187339346 is a deficient number, since it is larger than the sum of its proper divisors (1104868538).

2187339346 is a wasteful number, since it uses less digits than its factorization.

2187339346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732956.

The product of its digits is 653184, while the sum is 46.

The square root of 2187339346 is about 46768.9998396374. Note that the first 3 decimals coincide. The cubic root of 2187339346 is about 1298.0917458296.

The spelling of 2187339346 in words is "two billion, one hundred eighty-seven million, three hundred thirty-nine thousand, three hundred forty-six".