3865197 has 8 divisors (see below), whose sum is σ = 5889856. Its totient is φ = 2208672.

The previous prime is 3865187. The next prime is 3865229. The reversal of 3865197 is 7915683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3865197 - 2⁶ = 3865133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92008 + ... + 92049.

It is an arithmetic number, because the mean of its divisors is an integer number (736232).

Almost surely, 2^3865197 is an apocalyptic number.

It is an amenable number.

3865197 is a deficient number, since it is larger than the sum of its proper divisors (2024659).

3865197 is a wasteful number, since it uses less digits than its factorization.

3865197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184067.

The product of its digits is 45360, while the sum is 39.

The square root of 3865197 is about 1966.0104272358. The cubic root of 3865197 is about 156.9364693528.

The spelling of 3865197 in words is "three million, eight hundred sixty-five thousand, one hundred ninety-seven".