1098343 has 4 divisors (see below), whose sum is σ = 1121760. Its totient is φ = 1074928.

The previous prime is 1098341. The next prime is 1098373. The reversal of 1098343 is 3438901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1098343 - 2¹ = 1098341 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1098343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11638 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (280440).

2^1098343 is an apocalyptic number.

1098343 is a deficient number, since it is larger than the sum of its proper divisors (23417).

1098343 is an equidigital number, since it uses as much as digits as its factorization.

1098343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23416.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1098343 is about 1048.0186067051. The cubic root of 1098343 is about 103.1761525231.

It can be divided in two parts, 10983 and 43, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 1098343 in words is "one million, ninety-eight thousand, three hundred forty-three".