7993217 has 2 divisors, whose sum is σ = 7993218. Its totient is φ = 7993216.

The previous prime is 7993211. The next prime is 7993229. The reversal of 7993217 is 7123997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5755201 + 2238016 = 2399^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 7993217 - 2⁴ = 7993201 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7993211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996608 + 3996609.

It is an arithmetic number, because the mean of its divisors is an integer number (3996609).

Almost surely, 2^7993217 is an apocalyptic number.

It is an amenable number.

7993217 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993217 is an equidigital number, since it uses as much as digits as its factorization.

7993217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 38.

The square root of 7993217 is about 2827.2277941475. The cubic root of 7993217 is about 199.9434590171.

The spelling of 7993217 in words is "seven million, nine hundred ninety-three thousand, two hundred seventeen".