8293381 has 4 divisors (see below), whose sum is σ = 8300032. Its totient is φ = 8286732.

The previous prime is 8293361. The next prime is 8293393. The reversal of 8293381 is 1833928.

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, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(8293381) divides (8293381-1)³.

It is a cyclic number.

It is not a de Polignac number, because 8293381 - 2⁵ = 8293349 is a prime.

It is a super-2 number, since 2×8293381² = 137560336822322, 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 (8293321) 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 3 ways as a sum of consecutive naturals, for example, 831 + ... + 4156.

It is an arithmetic number, because the mean of its divisors is an integer number (2075008).

Almost surely, 2^8293381 is an apocalyptic number.

8293381 is the 1663-rd octagonal number.

It is an amenable number.

8293381 is a deficient number, since it is larger than the sum of its proper divisors (6651).

8293381 is a wasteful number, since it uses less digits than its factorization.

8293381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650.

The product of its digits is 10368, while the sum is 34.

The square root of 8293381 is about 2879.8230848439. The cubic root of 8293381 is about 202.4155498086.

The spelling of 8293381 in words is "eight million, two hundred ninety-three thousand, three hundred eighty-one".