8861445 has 24 divisors (see below), whose sum is σ = 15455232. Its totient is φ = 4696800.

The previous prime is 8861423. The next prime is 8861473. The reversal of 8861445 is 5441688.

8861445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8861445 - 2⁹ = 8860933 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8080 + ... + 9110.

It is an arithmetic number, because the mean of its divisors is an integer number (643968).

Almost surely, 2^8861445 is an apocalyptic number.

8861445 is the 1719-th octagonal number.

It is an amenable number.

8861445 is a deficient number, since it is larger than the sum of its proper divisors (6593787).

8861445 is a wasteful number, since it uses less digits than its factorization.

8861445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1230 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 8861445 is about 2976.8179319535. The cubic root of 8861445 is about 206.9354275942.

The spelling of 8861445 in words is "eight million, eight hundred sixty-one thousand, four hundred forty-five".