3885921 has 16 divisors (see below), whose sum is σ = 6200320. Its totient is φ = 2391120.

The previous prime is 3885859. The next prime is 3885941. The reversal of 3885921 is 1295883.

It is not a de Polignac number, because 3885921 - 2²¹ = 1788769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3885941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 5886.

It is an arithmetic number, because the mean of its divisors is an integer number (387520).

Almost surely, 2^3885921 is an apocalyptic number.

It is an amenable number.

3885921 is a deficient number, since it is larger than the sum of its proper divisors (2314399).

3885921 is a wasteful number, since it uses less digits than its factorization.

3885921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093 (or 11087 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 3885921 is about 1971.2739535640. The cubic root of 3885921 is about 157.2164512822.

The spelling of 3885921 in words is "three million, eight hundred eighty-five thousand, nine hundred twenty-one".