3937229 has 2 divisors, whose sum is σ = 3937230. Its totient is φ = 3937228.

The previous prime is 3937201. The next prime is 3937249. The reversal of 3937229 is 9227393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 996004 = 1715^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 3937229 - 2⁸ = 3936973 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 (3937249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968614 + 1968615.

It is an arithmetic number, because the mean of its divisors is an integer number (1968615).

Almost surely, 2^3937229 is an apocalyptic number.

It is an amenable number.

3937229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3937229 is an equidigital number, since it uses as much as digits as its factorization.

3937229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The square root of 3937229 is about 1984.2451965420. The cubic root of 3937229 is about 157.9053671420.

The spelling of 3937229 in words is "three million, nine hundred thirty-seven thousand, two hundred twenty-nine".