8755981 has 8 divisors (see below), whose sum is σ = 9734144. Its totient is φ = 7821360.

The previous prime is 8755973. The next prime is 8755991. The reversal of 8755981 is 1895578.

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 8755981 - 2³ = 8755973 is a prime.

It is a super-2 number, since 2×8755981² = 153334406544722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8755921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10461 + ... + 11266.

It is an arithmetic number, because the mean of its divisors is an integer number (1216768).

Almost surely, 2^8755981 is an apocalyptic number.

It is an amenable number.

8755981 is a deficient number, since it is larger than the sum of its proper divisors (978163).

8755981 is a wasteful number, since it uses less digits than its factorization.

8755981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771.

The product of its digits is 100800, while the sum is 43.

The square root of 8755981 is about 2959.0506923674. The cubic root of 8755981 is about 206.1112055489. Note that the first 3 decimals are identical.

The spelling of 8755981 in words is "eight million, seven hundred fifty-five thousand, nine hundred eighty-one".