8461623 has 4 divisors (see below), whose sum is σ = 11282168. Its totient is φ = 5641080.

The previous prime is 8461613. The next prime is 8461627. The reversal of 8461623 is 3261648.

8461623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8461623 - 2²⁰ = 7413047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461627) 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 3 ways as a sum of consecutive naturals, for example, 1410268 + ... + 1410273.

It is an arithmetic number, because the mean of its divisors is an integer number (2820542).

Almost surely, 2^8461623 is an apocalyptic number.

8461623 is a deficient number, since it is larger than the sum of its proper divisors (2820545).

8461623 is a wasteful number, since it uses less digits than its factorization.

8461623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820544.

The product of its digits is 6912, while the sum is 30.

The square root of 8461623 is about 2908.8869005171. The cubic root of 8461623 is about 203.7751511476.

The spelling of 8461623 in words is "eight million, four hundred sixty-one thousand, six hundred twenty-three".