3872417 has 2 divisors, whose sum is σ = 3872418. Its totient is φ = 3872416.

The previous prime is 3872389. The next prime is 3872423. The reversal of 3872417 is 7142783.

It is a happy number.

3872417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 26896 = 1961^2 + 164^2 .

It is an emirp because it is prime and its reverse (7142783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3872417 - 2¹² = 3868321 is a prime.

It is a super-2 number, since 2×3872417² = 29991226843778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3872017) 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 as a sum of consecutive naturals, namely, 1936208 + 1936209.

It is an arithmetic number, because the mean of its divisors is an integer number (1936209).

Almost surely, 2^3872417 is an apocalyptic number.

It is an amenable number.

3872417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872417 is an equidigital number, since it uses as much as digits as its factorization.

3872417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 3872417 is about 1967.8457764774. The cubic root of 3872417 is about 157.0341251365.

The spelling of 3872417 in words is "three million, eight hundred seventy-two thousand, four hundred seventeen".