3886215 has 12 divisors (see below), whose sum is σ = 6230184. Its totient is φ = 2068576.

The previous prime is 3886199. The next prime is 3886229. The reversal of 3886215 is 5126883.

It is a happy number.

It is not a de Polignac number, because 3886215 - 2⁴ = 3886199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7381 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (519182).

Almost surely, 2^3886215 is an apocalyptic number.

3886215 is a deficient number, since it is larger than the sum of its proper divisors (2343969).

3886215 is an frugal number, since it uses more digits than its factorization.

3886215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 517 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 3886215 is about 1971.3485232196. The cubic root of 3886215 is about 157.2204160627.

The spelling of 3886215 in words is "three million, eight hundred eighty-six thousand, two hundred fifteen".