1098317 has 12 divisors (see below), whose sum is σ = 1252860. Its totient is φ = 960960.

The previous prime is 1098313. The next prime is 1098341. The reversal of 1098317 is 7138901.

It can be written as a sum of positive squares in 2 ways, for example, as 203401 + 894916 = 451^2 + 946^2 .

It is not a de Polignac number, because 1098317 - 2² = 1098313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1098317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3353 + ... + 3665.

It is an arithmetic number, because the mean of its divisors is an integer number (104405).

2^1098317 is an apocalyptic number.

It is an amenable number.

1098317 is a deficient number, since it is larger than the sum of its proper divisors (154543).

1098317 is a wasteful number, since it uses less digits than its factorization.

1098317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1098317 is about 1048.0062022717. The cubic root of 1098317 is about 103.1753383873.

1098317 divided by its sum of digits (29) gives a palindrome (37873).

The spelling of 1098317 in words is "one million, ninety-eight thousand, three hundred seventeen".