1846849 has 2 divisors, whose sum is σ = 1846850. Its totient is φ = 1846848.

The previous prime is 1846847. The next prime is 1846861. The reversal of 1846849 is 9486481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 535824 = 1145^2 + 732^2 .

It is an emirp because it is prime and its reverse (9486481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1846849 - 2¹ = 1846847 is a prime.

Together with 1846847, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1846843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923424 + 923425.

It is an arithmetic number, because the mean of its divisors is an integer number (923425).

2^1846849 is an apocalyptic number.

It is an amenable number.

1846849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1846849 is an equidigital number, since it uses as much as digits as its factorization.

1846849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 1846849 is about 1358.9882265862. The cubic root of 1846849 is about 122.6903662398.

The spelling of 1846849 in words is "one million, eight hundred forty-six thousand, eight hundred forty-nine".