8941981 has 8 divisors (see below), whose sum is σ = 9388800. Its totient is φ = 8505120.

The previous prime is 8941973. The next prime is 8941993. The reversal of 8941981 is 1891498.

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 8941981 - 2³ = 8941973 is a prime.

It is a super-2 number, since 2×8941981² = 159918048408722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8941921) 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, 616 + ... + 4273.

It is an arithmetic number, because the mean of its divisors is an integer number (1173600).

Almost surely, 2^8941981 is an apocalyptic number.

It is an amenable number.

8941981 is a deficient number, since it is larger than the sum of its proper divisors (446819).

8941981 is a wasteful number, since it uses less digits than its factorization.

8941981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979.

The product of its digits is 20736, while the sum is 40.

The square root of 8941981 is about 2990.3145319514. The cubic root of 8941981 is about 207.5604391608.

The spelling of 8941981 in words is "eight million, nine hundred forty-one thousand, nine hundred eighty-one".