3938229 has 24 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 2489760.

The previous prime is 3938197. The next prime is 3938251. The reversal of 3938229 is 9228393.

It is not a de Polignac number, because 3938229 - 2⁵ = 3938197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3938193 and 3938202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20524 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (249600).

Almost surely, 2^3938229 is an apocalyptic number.

It is an amenable number.

3938229 is a deficient number, since it is larger than the sum of its proper divisors (2052171).

3938229 is a wasteful number, since it uses less digits than its factorization.

3938229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 302 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3938229 is about 1984.4971655309. The cubic root of 3938229 is about 157.9187345806.

The spelling of 3938229 in words is "three million, nine hundred thirty-eight thousand, two hundred twenty-nine".