1043849 has 2 divisors, whose sum is σ = 1043850. Its totient is φ = 1043848.

The previous prime is 1043843. The next prime is 1043857. The reversal of 1043849 is 9483401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 53824 = 995^2 + 232^2 .

It is an emirp because it is prime and its reverse (9483401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1043849 - 2⁸ = 1043593 is a prime.

It is a Chen prime.

It is equal to p₈₁₆₈₆ and since 1043849 and 81686 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1043843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521924 + 521925.

It is an arithmetic number, because the mean of its divisors is an integer number (521925).

2^1043849 is an apocalyptic number.

It is an amenable number.

1043849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043849 is an equidigital number, since it uses as much as digits as its factorization.

1043849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1043849 is about 1021.6892874059. The cubic root of 1043849 is about 101.4407753049.

The spelling of 1043849 in words is "one million, forty-three thousand, eight hundred forty-nine".