8981761 has 4 divisors (see below), whose sum is σ = 9035712. Its totient is φ = 8927812.

The previous prime is 8981743. The next prime is 8981767. The reversal of 8981761 is 1671898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8981761 - 2⁷ = 8981633 is a prime.

It is a super-2 number, since 2×8981761² = 161344061322242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8981767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26725 + ... + 27058.

It is an arithmetic number, because the mean of its divisors is an integer number (2258928).

Almost surely, 2^8981761 is an apocalyptic number.

It is an amenable number.

8981761 is a deficient number, since it is larger than the sum of its proper divisors (53951).

8981761 is a wasteful number, since it uses less digits than its factorization.

8981761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53950.

The product of its digits is 24192, while the sum is 40.

The square root of 8981761 is about 2996.9586250064. The cubic root of 8981761 is about 207.8677737644.

The spelling of 8981761 in words is "eight million, nine hundred eighty-one thousand, seven hundred sixty-one".