4483991 has 2 divisors, whose sum is σ = 4483992. Its totient is φ = 4483990.

The previous prime is 4483957. The next prime is 4484021. The reversal of 4483991 is 1993844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4483991 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4483901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2241995 + 2241996.

It is an arithmetic number, because the mean of its divisors is an integer number (2241996).

Almost surely, 2^4483991 is an apocalyptic number.

4483991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4483991 is an equidigital number, since it uses as much as digits as its factorization.

4483991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 4483991 is about 2117.5436241079. The cubic root of 4483991 is about 164.9003499918.

The spelling of 4483991 in words is "four million, four hundred eighty-three thousand, nine hundred ninety-one".