3938697 has 24 divisors (see below), whose sum is σ = 6576960. Its totient is φ = 2224800.

The previous prime is 3938657. The next prime is 3938699. The reversal of 3938697 is 7968393.

It is a happy number.

It is not a de Polignac number, because 3938697 - 2⁶ = 3938633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3938699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6054 + ... + 6672.

It is an arithmetic number, because the mean of its divisors is an integer number (274040).

Almost surely, 2^3938697 is an apocalyptic number.

It is an amenable number.

3938697 is a deficient number, since it is larger than the sum of its proper divisors (2638263).

3938697 is a wasteful number, since it uses less digits than its factorization.

3938697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 730 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3938697 is about 1984.6150760286. The cubic root of 3938697 is about 157.9249897645.

The spelling of 3938697 in words is "three million, nine hundred thirty-eight thousand, six hundred ninety-seven".