2164623 has 8 divisors (see below), whose sum is σ = 2899200. Its totient is φ = 1436568.

The previous prime is 2164621. The next prime is 2164633. The reversal of 2164623 is 3264612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2164623 - 2¹ = 2164621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2164593 and 2164602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (362400).

2^2164623 is an apocalyptic number.

2164623 is a deficient number, since it is larger than the sum of its proper divisors (734577).

2164623 is a wasteful number, since it uses less digits than its factorization.

2164623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its digits is 1728, while the sum is 24.

The square root of 2164623 is about 1471.2657815636. The cubic root of 2164623 is about 129.3582374604.

The spelling of 2164623 in words is "two million, one hundred sixty-four thousand, six hundred twenty-three".