3953885 has 16 divisors (see below), whose sum is σ = 5201280. Its totient is φ = 2867520.

The previous prime is 3953879. The next prime is 3953909. The reversal of 3953885 is 5883593.

It is not a de Polignac number, because 3953885 - 2⁸ = 3953629 is a prime.

It is an Ulam number.

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 15 ways as a sum of consecutive naturals, for example, 3320 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (325080).

Almost surely, 2^3953885 is an apocalyptic number.

It is an amenable number.

3953885 is a deficient number, since it is larger than the sum of its proper divisors (1247395).

3953885 is a wasteful number, since it uses less digits than its factorization.

3953885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its digits is 129600, while the sum is 41.

The square root of 3953885 is about 1988.4378290507. The cubic root of 3953885 is about 158.1277207945.

The spelling of 3953885 in words is "three million, nine hundred fifty-three thousand, eight hundred eighty-five".