3885215 has 8 divisors (see below), whose sum is σ = 4907760. Its totient is φ = 2944512.

The previous prime is 3885187. The next prime is 3885221. The reversal of 3885215 is 5125883.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3885215 - 2¹⁸ = 3623071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20354 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (613470).

Almost surely, 2^3885215 is an apocalyptic number.

3885215 is a deficient number, since it is larger than the sum of its proper divisors (1022545).

3885215 is a wasteful number, since it uses less digits than its factorization.

3885215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40921.

The product of its digits is 9600, while the sum is 32.

The square root of 3885215 is about 1971.0948734143. The cubic root of 3885215 is about 157.2069295980.

The spelling of 3885215 in words is "three million, eight hundred eighty-five thousand, two hundred fifteen".