8293993 has 2 divisors, whose sum is σ = 8293994. Its totient is φ = 8293992.

The previous prime is 8293979. The next prime is 8294009. The reversal of 8293993 is 3993928.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5992704 + 2301289 = 2448^2 + 1517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8293993 is a prime.

It is not a weakly prime, because it can be changed into another prime (8293903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4146996 + 4146997.

It is an arithmetic number, because the mean of its divisors is an integer number (4146997).

Almost surely, 2^8293993 is an apocalyptic number.

It is an amenable number.

8293993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8293993 is an equidigital number, since it uses as much as digits as its factorization.

8293993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 43.

The square root of 8293993 is about 2879.9293394110. The cubic root of 8293993 is about 202.4205286895.

The spelling of 8293993 in words is "eight million, two hundred ninety-three thousand, nine hundred ninety-three".