3952217 has 2 divisors, whose sum is σ = 3952218. Its totient is φ = 3952216.

The previous prime is 3952199. The next prime is 3952219. The reversal of 3952217 is 7122593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 1577536 = 1541^2 + 1256^2 .

It is an emirp because it is prime and its reverse (7122593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3952217 - 2¹² = 3948121 is a prime.

Together with 3952219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3952217.

It is not a weakly prime, because it can be changed into another prime (3952219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976108 + 1976109.

It is an arithmetic number, because the mean of its divisors is an integer number (1976109).

Almost surely, 2^3952217 is an apocalyptic number.

It is an amenable number.

3952217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3952217 is an equidigital number, since it uses as much as digits as its factorization.

3952217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 3952217 is about 1988.0183600762. The cubic root of 3952217 is about 158.1054815592.

The spelling of 3952217 in words is "three million, nine hundred fifty-two thousand, two hundred seventeen".