8881623 has 16 divisors (see below), whose sum is σ = 13228800. Its totient is φ = 5889240.

The previous prime is 8881619. The next prime is 8881651. The reversal of 8881623 is 3261888.

It is not a de Polignac number, because 8881623 - 2² = 8881619 is a prime.

It is a super-2 number, since 2×8881623² = 157766454228258, which contains 22 as substring.

8881623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8880623) 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 15 ways as a sum of consecutive naturals, for example, 4918 + ... + 6476.

It is an arithmetic number, because the mean of its divisors is an integer number (826800).

Almost surely, 2^8881623 is an apocalyptic number.

8881623 is a deficient number, since it is larger than the sum of its proper divisors (4347177).

8881623 is a wasteful number, since it uses less digits than its factorization.

8881623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1773 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8881623 is about 2980.2051942777. The cubic root of 8881623 is about 207.0923763291.

The spelling of 8881623 in words is "eight million, eight hundred eighty-one thousand, six hundred twenty-three".