3938207 has 12 divisors (see below), whose sum is σ = 4875120. Its totient is φ = 3115008.

The previous prime is 3938197. The next prime is 3938251. The reversal of 3938207 is 7028393.

It is not a de Polignac number, because 3938207 - 2⁸ = 3937951 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (406260).

Almost surely, 2^3938207 is an apocalyptic number.

3938207 is a deficient number, since it is larger than the sum of its proper divisors (936913).

3938207 is a wasteful number, since it uses less digits than its factorization.

3938207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3938207 is about 1984.4916225573. The cubic root of 3938207 is about 157.9184405213.

The spelling of 3938207 in words is "three million, nine hundred thirty-eight thousand, two hundred seven".