2163632 has 20 divisors (see below), whose sum is σ = 4337520. Its totient is φ = 1044288.

The previous prime is 2163613. The next prime is 2163653. The reversal of 2163632 is 2363612.

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

It is a junction number, because it is equal to n+sod(n) for n = 2163598 and 2163607.

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, 1868 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (216876).

2^2163632 is an apocalyptic number.

It is an amenable number.

2163632 is an abundant number, since it is smaller than the sum of its proper divisors (2173888).

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

2163632 is a wasteful number, since it uses less digits than its factorization.

2163632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700 (or 4694 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 2163632 is about 1470.9289581758. The cubic root of 2163632 is about 129.3384936711.

The spelling of 2163632 in words is "two million, one hundred sixty-three thousand, six hundred thirty-two".