3621983 has 2 divisors, whose sum is σ = 3621984. Its totient is φ = 3621982.

The previous prime is 3621977. The next prime is 3622001. The reversal of 3621983 is 3891263.

It is a weak prime.

It is an emirp because it is prime and its reverse (3891263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3621983 - 2⁸ = 3621727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621973) 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, 1810991 + 1810992.

It is an arithmetic number, because the mean of its divisors is an integer number (1810992).

Almost surely, 2^3621983 is an apocalyptic number.

3621983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621983 is an equidigital number, since it uses as much as digits as its factorization.

3621983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 3621983 is about 1903.1508085278. The cubic root of 3621983 is about 153.5732125369.

The spelling of 3621983 in words is "three million, six hundred twenty-one thousand, nine hundred eighty-three".