3921273 has 12 divisors (see below), whose sum is σ = 5690880. Its totient is φ = 2601816.

The previous prime is 3921227. The next prime is 3921287. The reversal of 3921273 is 3721293.

3921273 is a `hidden beast` number, since 392 + 1 + 273 = 666.

It is not a de Polignac number, because 3921273 - 2⁶ = 3921209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3921173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1240 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (474240).

Almost surely, 2^3921273 is an apocalyptic number.

It is an amenable number.

3921273 is a deficient number, since it is larger than the sum of its proper divisors (1769607).

3921273 is a wasteful number, since it uses less digits than its factorization.

3921273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2065 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3921273 is about 1980.2204422740. The cubic root of 3921273 is about 157.6917694333.

It can be divided in two parts, 39 and 21273, that added together give a palindrome (21312).

The spelling of 3921273 in words is "three million, nine hundred twenty-one thousand, two hundred seventy-three".