1886849 has 2 divisors, whose sum is σ = 1886850. Its totient is φ = 1886848.

The previous prime is 1886821. The next prime is 1886867. The reversal of 1886849 is 9486881.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 37249 = 1360^2 + 193^2 .

It is an emirp because it is prime and its reverse (9486881) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1886849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1886809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943424 + 943425.

It is an arithmetic number, because the mean of its divisors is an integer number (943425).

2^1886849 is an apocalyptic number.

It is an amenable number.

1886849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1886849 is an equidigital number, since it uses as much as digits as its factorization.

1886849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 1886849 is about 1373.6262228132. The cubic root of 1886849 is about 123.5698108805.

The spelling of 1886849 in words is "one million, eight hundred eighty-six thousand, eight hundred forty-nine".