3821273 has 2 divisors, whose sum is σ = 3821274. Its totient is φ = 3821272.

The previous prime is 3821269. The next prime is 3821317. The reversal of 3821273 is 3721283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3794704 + 26569 = 1948^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 3821273 - 2² = 3821269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3821203) by changing a digit.

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 as a sum of consecutive naturals, namely, 1910636 + 1910637.

It is an arithmetic number, because the mean of its divisors is an integer number (1910637).

Almost surely, 2^3821273 is an apocalyptic number.

It is an amenable number.

3821273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821273 is an equidigital number, since it uses as much as digits as its factorization.

3821273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 3821273 is about 1954.8076631730. The cubic root of 3821273 is about 156.3397291550.

The spelling of 3821273 in words is "three million, eight hundred twenty-one thousand, two hundred seventy-three".