8881361 has 8 divisors (see below), whose sum is σ = 9430344. Its totient is φ = 8335360.

The previous prime is 8881357. The next prime is 8881363. The reversal of 8881361 is 1631888.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1488400 + 7392961 = 1220^2 + 2719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8881361 - 2² = 8881357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8881363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9641 + ... + 10521.

It is an arithmetic number, because the mean of its divisors is an integer number (1178793).

Almost surely, 2^8881361 is an apocalyptic number.

It is an amenable number.

8881361 is a deficient number, since it is larger than the sum of its proper divisors (548983).

8881361 is a wasteful number, since it uses less digits than its factorization.

8881361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its digits is 9216, while the sum is 35.

The square root of 8881361 is about 2980.1612372487. The cubic root of 8881361 is about 207.0903399620.

The spelling of 8881361 in words is "eight million, eight hundred eighty-one thousand, three hundred sixty-one".