1111338 has 24 divisors (see below), whose sum is σ = 2492100. Its totient is φ = 357504.

The previous prime is 1111333. The next prime is 1111339. The reversal of 1111338 is 8331111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1096209 + 15129 = 1047^2 + 123^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1111338.

It is not an unprimeable number, because it can be changed into a prime (1111333) 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, 543 + ... + 1586.

2^1111338 is an apocalyptic number.

1111338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1111338 is an abundant number, since it is smaller than the sum of its proper divisors (1380762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111338 is a wasteful number, since it uses less digits than its factorization.

1111338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2163 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1111338 is about 1054.2001707456. The cubic root of 1111338 is about 103.5814663506.

Adding to 1111338 its reverse (8331111), we get a palindrome (9442449).

The spelling of 1111338 in words is "one million, one hundred eleven thousand, three hundred thirty-eight".