2187380346 has 8 divisors (see below), whose sum is σ = 4374760704. Its totient is φ = 729126780.

The previous prime is 2187380267. The next prime is 2187380357. The reversal of 2187380346 is 6430837812.

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

2187380346 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2187380298 and 2187380307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182281690 + ... + 182281701.

It is an arithmetic number, because the mean of its divisors is an integer number (546845088).

Almost surely, 2^2187380346 is an apocalyptic number.

2187380346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2187380346 is a wasteful number, since it uses less digits than its factorization.

2187380346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364563396.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2187380346 is about 46769.4381621161. The cubic root of 2187380346 is about 1298.0998563573.

The spelling of 2187380346 in words is "two billion, one hundred eighty-seven million, three hundred eighty thousand, three hundred forty-six".