2187603628 has 36 divisors (see below), whose sum is σ = 4456016040. Its totient is φ = 936980352.

The previous prime is 2187603619. The next prime is 2187603643. The reversal of 2187603628 is 8263067812.

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 11 ways as a sum of consecutive naturals, for example, 589876 + ... + 593572.

Almost surely, 2^2187603628 is an apocalyptic number.

2187603628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2187603628 is an abundant number, since it is smaller than the sum of its proper divisors (2268412412).

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

2187603628 is a wasteful number, since it uses less digits than its factorization.

2187603628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734 (or 6725 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2187603628 is about 46771.8251514734. The cubic root of 2187603628 is about 1298.1440237211.

The spelling of 2187603628 in words is "two billion, one hundred eighty-seven million, six hundred three thousand, six hundred twenty-eight".