4664623 has 4 divisors (see below), whose sum is σ = 4685400. Its totient is φ = 4643848.

The previous prime is 4664603. The next prime is 4664641. The reversal of 4664623 is 3264664.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4664623 - 2⁵ = 4664591 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10048 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (1171350).

Almost surely, 2^4664623 is an apocalyptic number.

4664623 is a deficient number, since it is larger than the sum of its proper divisors (20777).

4664623 is a wasteful number, since it uses less digits than its factorization.

4664623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20776.

The product of its digits is 20736, while the sum is 31.

The square root of 4664623 is about 2159.7738307517. The cubic root of 4664623 is about 167.0855335325.

The spelling of 4664623 in words is "four million, six hundred sixty-four thousand, six hundred twenty-three".