5905623 has 4 divisors (see below), whose sum is σ = 7874168. Its totient is φ = 3937080.

The previous prime is 5905619. The next prime is 5905643. The reversal of 5905623 is 3265095.

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

It is not a de Polignac number, because 5905623 - 2² = 5905619 is a prime.

It is a D-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 (5905643) 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, 984268 + ... + 984273.

It is an arithmetic number, because the mean of its divisors is an integer number (1968542).

Almost surely, 2^5905623 is an apocalyptic number.

5905623 is a deficient number, since it is larger than the sum of its proper divisors (1968545).

5905623 is a wasteful number, since it uses less digits than its factorization.

5905623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968544.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 5905623 is about 2430.1487608786. The cubic root of 5905623 is about 180.7542731457.

The spelling of 5905623 in words is "five million, nine hundred five thousand, six hundred twenty-three".