3938225 has 12 divisors (see below), whose sum is σ = 5141040. Its totient is φ = 2984400.

The previous prime is 3938197. The next prime is 3938251. The reversal of 3938225 is 5228393.

It is not a de Polignac number, because 3938225 - 2¹⁰ = 3937201 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3938191 and 3938200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3671 + ... + 4620.

It is an arithmetic number, because the mean of its divisors is an integer number (428420).

Almost surely, 2^3938225 is an apocalyptic number.

It is an amenable number.

3938225 is a deficient number, since it is larger than the sum of its proper divisors (1202815).

3938225 is a wasteful number, since it uses less digits than its factorization.

3938225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320 (or 8315 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 3938225 is about 1984.4961577186. The cubic root of 3938225 is about 157.9186811153.

The spelling of 3938225 in words is "three million, nine hundred thirty-eight thousand, two hundred twenty-five".