3821953 has 2 divisors, whose sum is σ = 3821954. Its totient is φ = 3821952.

The previous prime is 3821947. The next prime is 3821963. The reversal of 3821953 is 3591283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 7744 = 1953^2 + 88^2 .

It is an emirp because it is prime and its reverse (3591283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3821953 - 2¹⁷ = 3690881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3821903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910976 + 1910977.

It is an arithmetic number, because the mean of its divisors is an integer number (1910977).

Almost surely, 2^3821953 is an apocalyptic number.

It is an amenable number.

3821953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821953 is an equidigital number, since it uses as much as digits as its factorization.

3821953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 3821953 is about 1954.9815855910. The cubic root of 3821953 is about 156.3490022175.

It can be divided in two parts, 3821 and 953, that added together give a palindrome (4774).

The spelling of 3821953 in words is "three million, eight hundred twenty-one thousand, nine hundred fifty-three".