8093981 has 12 divisors (see below), whose sum is σ = 9765792. Its totient is φ = 6570504.

The previous prime is 8093977. The next prime is 8093983. The reversal of 8093981 is 1893908.

It is not a de Polignac number, because 8093981 - 2² = 8093977 is a prime.

It is a super-2 number, since 2×8093981² = 131025056856722, 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 (8093983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 926 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (813816).

Almost surely, 2^8093981 is an apocalyptic number.

It is an amenable number.

8093981 is a deficient number, since it is larger than the sum of its proper divisors (1671811).

8093981 is a wasteful number, since it uses less digits than its factorization.

8093981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 8093981 is about 2844.9922671248. The cubic root of 8093981 is about 200.7801280446.

The spelling of 8093981 in words is "eight million, ninety-three thousand, nine hundred eighty-one".