3841997 has 2 divisors, whose sum is σ = 3841998. Its totient is φ = 3841996.

The previous prime is 3841993. The next prime is 3842011. The reversal of 3841997 is 7991483.

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., 3407716 + 434281 = 1846^2 + 659^2 .

It is an emirp because it is prime and its reverse (7991483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3841997 - 2² = 3841993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3841991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920998 + 1920999.

It is an arithmetic number, because the mean of its divisors is an integer number (1920999).

Almost surely, 2^3841997 is an apocalyptic number.

It is an amenable number.

3841997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3841997 is an equidigital number, since it uses as much as digits as its factorization.

3841997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 3841997 is about 1960.1012728938. The cubic root of 3841997 is about 156.6218467433.

The spelling of 3841997 in words is "three million, eight hundred forty-one thousand, nine hundred ninety-seven".