1118349 has 12 divisors (see below), whose sum is σ = 1624636. Its totient is φ = 741312.

The previous prime is 1118339. The next prime is 1118363. The reversal of 1118349 is 9438111.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 842724 = 525^2 + 918^2 .

It is not a de Polignac number, because 1118349 - 2⁵ = 1118317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2619 + ... + 3015.

2^1118349 is an apocalyptic number.

It is an amenable number.

1118349 is a deficient number, since it is larger than the sum of its proper divisors (506287).

1118349 is a wasteful number, since it uses less digits than its factorization.

1118349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 713 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1118349 is about 1057.5202125728. The cubic root of 1118349 is about 103.7988283250.

The spelling of 1118349 in words is "one million, one hundred eighteen thousand, three hundred forty-nine".