1098329 has 4 divisors (see below), whose sum is σ = 1106484. Its totient is φ = 1090176.

The previous prime is 1098313. The next prime is 1098341. The reversal of 1098329 is 9238901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 458329 = 800^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098329 - 2⁴ = 1098313 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1098295 and 1098304.

It is not an unprimeable number, because it can be changed into a prime (1098379) 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, 3872 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (276621).

2^1098329 is an apocalyptic number.

It is an amenable number.

1098329 is a deficient number, since it is larger than the sum of its proper divisors (8155).

1098329 is an equidigital number, since it uses as much as digits as its factorization.

1098329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1098329 is about 1048.0119274130. The cubic root of 1098329 is about 103.1757141439.

The spelling of 1098329 in words is "one million, ninety-eight thousand, three hundred twenty-nine".