8961845 has 16 divisors (see below), whose sum is σ = 11174592. Its totient is φ = 6894720.

The previous prime is 8961811. The next prime is 8961851. The reversal of 8961845 is 5481698.

It is not a de Polignac number, because 8961845 - 2¹² = 8957749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 15410 + ... + 15980.

It is an arithmetic number, because the mean of its divisors is an integer number (698412).

Almost surely, 2^8961845 is an apocalyptic number.

It is an amenable number.

8961845 is a deficient number, since it is larger than the sum of its proper divisors (2212747).

8961845 is a wasteful number, since it uses less digits than its factorization.

8961845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its digits is 69120, while the sum is 41.

The square root of 8961845 is about 2993.6340791753. The cubic root of 8961845 is about 207.7140192736.

The spelling of 8961845 in words is "eight million, nine hundred sixty-one thousand, eight hundred forty-five".