2187343608 has 64 divisors (see below), whose sum is σ = 5838877440. Its totient is φ = 681187584.

The previous prime is 2187343597. The next prime is 2187343633. The reversal of 2187343608 is 8063437812.

It is a self number, because there is not a number n which added to its sum of digits gives 2187343608.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 22341 + ... + 69812.

It is an arithmetic number, because the mean of its divisors is an integer number (91232460).

Almost surely, 2^2187343608 is an apocalyptic number.

It is an amenable number.

2187343608 is an abundant number, since it is smaller than the sum of its proper divisors (3651533832).

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

2187343608 is a wasteful number, since it uses less digits than its factorization.

2187343608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92228 (or 92224 counting only the distinct ones).

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

The square root of 2187343608 is about 46769.0454039849. The cubic root of 2187343608 is about 1298.0925889336.

The spelling of 2187343608 in words is "two billion, one hundred eighty-seven million, three hundred forty-three thousand, six hundred eight".