1133438 has 4 divisors (see below), whose sum is σ = 1700160. Its totient is φ = 566718.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133438 is 8343311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8343311 = 17 ⋅490783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283358 + ... + 283361.

It is an arithmetic number, because the mean of its divisors is an integer number (425040).

2^1133438 is an apocalyptic number.

1133438 is a deficient number, since it is larger than the sum of its proper divisors (566722).

1133438 is an equidigital number, since it uses as much as digits as its factorization.

1133438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566721.

The product of its digits is 864, while the sum is 23.

The square root of 1133438 is about 1064.6304523167. The cubic root of 1133438 is about 104.2635696307.

Adding to 1133438 its reverse (8343311), we get a palindrome (9476749).

The spelling of 1133438 in words is "one million, one hundred thirty-three thousand, four hundred thirty-eight".