2187652 has 12 divisors (see below), whose sum is σ = 3882816. Its totient is φ = 1078280.

The previous prime is 2187629. The next prime is 2187667. The reversal of 2187652 is 2567812.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (323568).

2^2187652 is an apocalyptic number.

It is an amenable number.

2187652 is a deficient number, since it is larger than the sum of its proper divisors (1695164).

2187652 is a wasteful number, since it uses less digits than its factorization.

2187652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778 (or 7776 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2187652 is about 1479.0713302610. The cubic root of 2187652 is about 129.8153591780.

The spelling of 2187652 in words is "two million, one hundred eighty-seven thousand, six hundred fifty-two".