1098039 has 4 divisors (see below), whose sum is σ = 1464056. Its totient is φ = 732024.

The previous prime is 1098037. The next prime is 1098073. The reversal of 1098039 is 9308901.

It is a happy number.

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

It is not a de Polignac number, because 1098039 - 2¹ = 1098037 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1097997 and 1098015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098037) 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, 183004 + ... + 183009.

It is an arithmetic number, because the mean of its divisors is an integer number (366014).

2^1098039 is an apocalyptic number.

1098039 is a deficient number, since it is larger than the sum of its proper divisors (366017).

1098039 is an equidigital number, since it uses as much as digits as its factorization.

1098039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366016.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1098039 is about 1047.8735610750. The cubic root of 1098039 is about 103.1666325934.

The spelling of 1098039 in words is "one million, ninety-eight thousand, thirty-nine".