1098935 has 4 divisors (see below), whose sum is σ = 1318728. Its totient is φ = 879144.

The previous prime is 1098847. The next prime is 1098953. The reversal of 1098935 is 5398901.

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 1098935 - 2²⁰ = 50359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1098895 and 1098904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109889 + ... + 109898.

It is an arithmetic number, because the mean of its divisors is an integer number (329682).

2^1098935 is an apocalyptic number.

1098935 is a deficient number, since it is larger than the sum of its proper divisors (219793).

1098935 is an equidigital number, since it uses as much as digits as its factorization.

1098935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219792.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1098935 is about 1048.3010063908. The cubic root of 1098935 is about 103.1946862937.

The spelling of 1098935 in words is "one million, ninety-eight thousand, nine hundred thirty-five".