3390217 has 2 divisors, whose sum is σ = 3390218. Its totient is φ = 3390216.

The previous prime is 3390209. The next prime is 3390221. The reversal of 3390217 is 7120933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 19321 = 1836^2 + 139^2 .

It is an emirp because it is prime and its reverse (7120933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3390217 - 2³ = 3390209 is a prime.

It is a super-2 number, since 2×3390217² = 22987142614178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3390191 and 3390200.

It is not a weakly prime, because it can be changed into another prime (3390287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695108 + 1695109.

It is an arithmetic number, because the mean of its divisors is an integer number (1695109).

Almost surely, 2^3390217 is an apocalyptic number.

It is an amenable number.

3390217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3390217 is an equidigital number, since it uses as much as digits as its factorization.

3390217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3390217 is about 1841.2541921201. The cubic root of 3390217 is about 150.2250990708.

The spelling of 3390217 in words is "three million, three hundred ninety thousand, two hundred seventeen".