905622 has 16 divisors (see below), whose sum is σ = 1825200. Its totient is φ = 299552.

The previous prime is 905621. The next prime is 905629. The reversal of 905622 is 226509.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 905592 and 905601.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 905622.

It is not an unprimeable number, because it can be changed into a prime (905621) 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, 388 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (114075).

2⁹⁰⁵⁶²² is an apocalyptic number.

905622 is an abundant number, since it is smaller than the sum of its proper divisors (919578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905622 is a wasteful number, since it uses less digits than its factorization.

905622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 905622 is about 951.6417393116. The cubic root of 905622 is about 96.7495576501.

The spelling of 905622 in words is "nine hundred five thousand, six hundred twenty-two".