3921255 has 24 divisors (see below), whose sum is σ = 7320768. Its totient is φ = 1930176.

The previous prime is 3921227. The next prime is 3921287. The reversal of 3921255 is 5521293.

It is not a de Polignac number, because 3921255 - 2⁶ = 3921191 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 9⁴ + 2³ + 1 + 2¹³ + 5⁹ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2767 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (305032).

Almost surely, 2^3921255 is an apocalyptic number.

3921255 is a deficient number, since it is larger than the sum of its proper divisors (3399513).

3921255 is a wasteful number, since it uses less digits than its factorization.

3921255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727 (or 6724 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 3921255 is about 1980.2158973203. The cubic root of 3921255 is about 157.6915281464.

The spelling of 3921255 in words is "three million, nine hundred twenty-one thousand, two hundred fifty-five".