3821173 has 2 divisors, whose sum is σ = 3821174. Its totient is φ = 3821172.

The previous prime is 3821171. The next prime is 3821177. The reversal of 3821173 is 3711283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3659569 + 161604 = 1913^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 3821173 - 2¹ = 3821171 is a prime.

Together with 3821171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3821171) 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, 1910586 + 1910587.

It is an arithmetic number, because the mean of its divisors is an integer number (1910587).

Almost surely, 2^3821173 is an apocalyptic number.

It is an amenable number.

3821173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821173 is an equidigital number, since it uses as much as digits as its factorization.

3821173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 3821173 is about 1954.7820850417. The cubic root of 3821173 is about 156.3383653766.

The spelling of 3821173 in words is "three million, eight hundred twenty-one thousand, one hundred seventy-three".