2116624 has 20 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 1052192.

The previous prime is 2116607. The next prime is 2116627. The reversal of 2116624 is 4266112.

It is a junction number, because it is equal to n+sod(n) for n = 2116595 and 2116604.

It is not an unprimeable number, because it can be changed into a prime (2116627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3957 + ... + 4459.

2^2116624 is an apocalyptic number.

It is an amenable number.

2116624 is a deficient number, since it is larger than the sum of its proper divisors (2008112).

2116624 is a wasteful number, since it uses less digits than its factorization.

2116624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2116624 is about 1454.8621927867. The cubic root of 2116624 is about 128.3949390318.

It can be divided in two parts, 211662 and 4, that multiplied together give a palindrome (846648).

The spelling of 2116624 in words is "two million, one hundred sixteen thousand, six hundred twenty-four".