1098443 has 2 divisors, whose sum is σ = 1098444. Its totient is φ = 1098442.

The previous prime is 1098439. The next prime is 1098451. The reversal of 1098443 is 3448901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1098443 - 2² = 1098439 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1098463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549221 + 549222.

It is an arithmetic number, because the mean of its divisors is an integer number (549222).

2^1098443 is an apocalyptic number.

1098443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098443 is an equidigital number, since it uses as much as digits as its factorization.

1098443 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 1098443 is about 1048.0663146958. The cubic root of 1098443 is about 103.1792836950.

The spelling of 1098443 in words is "one million, ninety-eight thousand, four hundred forty-three".