2001847 has 2 divisors, whose sum is σ = 2001848. Its totient is φ = 2001846.

The previous prime is 2001833. The next prime is 2001911. The reversal of 2001847 is 7481002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001847 - 2¹¹ = 1999799 is a prime.

It is a super-2 number, since 2×2001847² = 8014782822818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000923 + 1000924.

It is an arithmetic number, because the mean of its divisors is an integer number (1000924).

2^2001847 is an apocalyptic number.

2001847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001847 is an equidigital number, since it uses as much as digits as its factorization.

2001847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2001847 is about 1414.8664247907. The cubic root of 2001847 is about 126.0308776261.

Adding to 2001847 its reverse (7481002), we get a palindrome (9482849).

The spelling of 2001847 in words is "two million, one thousand, eight hundred forty-seven".