8939161 has 16 divisors (see below), whose sum is σ = 11802240. Its totient is φ = 6554880.

The previous prime is 8939159. The next prime is 8939167. The reversal of 8939161 is 1619398.

It is a cyclic number.

It is not a de Polignac number, because 8939161 - 2¹ = 8939159 is a prime.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 8939161.

It is not an unprimeable number, because it can be changed into a prime (8939167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106 + ... + 4723.

It is an arithmetic number, because the mean of its divisors is an integer number (737640).

Almost surely, 2^8939161 is an apocalyptic number.

It is an amenable number.

8939161 is a deficient number, since it is larger than the sum of its proper divisors (2863079).

8939161 is a wasteful number, since it uses less digits than its factorization.

8939161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864.

The product of its digits is 11664, while the sum is 37.

The square root of 8939161 is about 2989.8429724653. The cubic root of 8939161 is about 207.5386176733.

The spelling of 8939161 in words is "eight million, nine hundred thirty-nine thousand, one hundred sixty-one".