8268981 has 8 divisors (see below), whose sum is σ = 12600384. Its totient is φ = 4725120.

The previous prime is 8268979. The next prime is 8268989. The reversal of 8268981 is 1898628.

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

It is not a de Polignac number, because 8268981 - 2¹ = 8268979 is a prime.

It is a super-2 number, since 2×8268981² = 136752093556722, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8268989) 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, 196860 + ... + 196901.

It is an arithmetic number, because the mean of its divisors is an integer number (1575048).

Almost surely, 2^8268981 is an apocalyptic number.

It is an amenable number.

8268981 is a deficient number, since it is larger than the sum of its proper divisors (4331403).

8268981 is a wasteful number, since it uses less digits than its factorization.

8268981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393771.

The product of its digits is 55296, while the sum is 42.

The square root of 8268981 is about 2875.5835929425. The cubic root of 8268981 is about 202.2168455256.

The spelling of 8268981 in words is "eight million, two hundred sixty-eight thousand, nine hundred eighty-one".