3897567 has 12 divisors (see below), whose sum is σ = 5736744. Its totient is φ = 2549040.

The previous prime is 3897559. The next prime is 3897581. The reversal of 3897567 is 7657983.

It is a happy number.

3897567 is a `hidden beast` number, since 3 + 89 + 7 + 567 = 666.

It is not a de Polignac number, because 3897567 - 2³ = 3897559 is a prime.

It is a d-powerful number, because it can be written as 3² + 8⁷ + 9 + 7 + 5⁵ + 6⁸ + 7⁶ .

3897567 is a lucky number.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897587) 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, 3609 + ... + 4562.

It is an arithmetic number, because the mean of its divisors is an integer number (478062).

Almost surely, 2^3897567 is an apocalyptic number.

3897567 is a deficient number, since it is larger than the sum of its proper divisors (1839177).

3897567 is a wasteful number, since it uses less digits than its factorization.

3897567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230 (or 8227 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3897567 is about 1974.2256709910. The cubic root of 3897567 is about 157.3733524592.

The spelling of 3897567 in words is "three million, eight hundred ninety-seven thousand, five hundred sixty-seven".