2667623 has 16 divisors (see below), whose sum is σ = 3343680. Its totient is φ = 2075136.

The previous prime is 2667611. The next prime is 2667631. The reversal of 2667623 is 3267662.

2667623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2667623 - 2¹² = 2663527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2667623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3065 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (208980).

2^2667623 is an apocalyptic number.

2667623 is a deficient number, since it is larger than the sum of its proper divisors (676057).

2667623 is a wasteful number, since it uses less digits than its factorization.

2667623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 18144, while the sum is 32.

The square root of 2667623 is about 1633.2859516937. The cubic root of 2667623 is about 138.6888300013.

The spelling of 2667623 in words is "two million, six hundred sixty-seven thousand, six hundred twenty-three".