2164603 has 8 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 1844520.

The previous prime is 2164597. The next prime is 2164607. The reversal of 2164603 is 3064612.

2164603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2164603 - 2⁵ = 2164571 is a prime.

It is a super-2 number, since 2×2164603² = 9371012295218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164607) 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 7 ways as a sum of consecutive naturals, for example, 528 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

2^2164603 is an apocalyptic number.

2164603 is a deficient number, since it is larger than the sum of its proper divisors (323717).

2164603 is a wasteful number, since it uses less digits than its factorization.

2164603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2164603 is about 1471.2589846794. The cubic root of 2164603 is about 129.3578390581.

Subtracting 2164603 from its reverse (3064612), we obtain a palindrome (900009).

The spelling of 2164603 in words is "two million, one hundred sixty-four thousand, six hundred three".