4485623 has 2 divisors, whose sum is σ = 4485624. Its totient is φ = 4485622.

The previous prime is 4485619. The next prime is 4485629. The reversal of 4485623 is 3265844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4485623 - 2² = 4485619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4485623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4485629) 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 as a sum of consecutive naturals, namely, 2242811 + 2242812.

It is an arithmetic number, because the mean of its divisors is an integer number (2242812).

Almost surely, 2^4485623 is an apocalyptic number.

4485623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4485623 is an equidigital number, since it uses as much as digits as its factorization.

4485623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 4485623 is about 2117.9289412065. The cubic root of 4485623 is about 164.9203533570.

The spelling of 4485623 in words is "four million, four hundred eighty-five thousand, six hundred twenty-three".