3897317 has 4 divisors (see below), whose sum is σ = 3901536. Its totient is φ = 3893100.

The previous prime is 3897269. The next prime is 3897331. The reversal of 3897317 is 7137983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7137983 = 179 ⋅39877.

It is a cyclic number.

It is not a de Polignac number, because 3897317 - 2¹⁶ = 3831781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (975384).

Almost surely, 2^3897317 is an apocalyptic number.

It is an amenable number.

3897317 is a deficient number, since it is larger than the sum of its proper divisors (4219).

3897317 is a wasteful number, since it uses less digits than its factorization.

3897317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218.

The product of its digits is 31752, while the sum is 38.

The square root of 3897317 is about 1974.1623540125. The cubic root of 3897317 is about 157.3699876096.

The spelling of 3897317 in words is "three million, eight hundred ninety-seven thousand, three hundred seventeen".