3862217 has 4 divisors (see below), whose sum is σ = 3952080. Its totient is φ = 3772356.

The previous prime is 3862193. The next prime is 3862219. The reversal of 3862217 is 7122683.

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 an emirpimes, since its reverse is a distinct semiprime: 7122683 = 73 ⋅97571.

It is a cyclic number.

It is not a de Polignac number, because 3862217 - 2⁶ = 3862153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3862217.

It is not an unprimeable number, because it can be changed into a prime (3862219) 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, 44867 + ... + 44952.

It is an arithmetic number, because the mean of its divisors is an integer number (988020).

Almost surely, 2^3862217 is an apocalyptic number.

It is an amenable number.

3862217 is a deficient number, since it is larger than the sum of its proper divisors (89863).

3862217 is an equidigital number, since it uses as much as digits as its factorization.

3862217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89862.

The product of its digits is 4032, while the sum is 29.

The square root of 3862217 is about 1965.2524010925. The cubic root of 3862217 is about 156.8961272160.

The spelling of 3862217 in words is "three million, eight hundred sixty-two thousand, two hundred seventeen".