1133838 has 24 divisors (see below), whose sum is σ = 2548728. Its totient is φ = 377784.

The previous prime is 1133837. The next prime is 1133843. The reversal of 1133838 is 8383311.

It is a super-2 number, since 2×1133838² = 2571177220488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133837) 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, 681 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (106197).

2^1133838 is an apocalyptic number.

1133838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1133838 is an abundant number, since it is smaller than the sum of its proper divisors (1414890).

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

1133838 is an equidigital number, since it uses as much as digits as its factorization.

1133838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2338 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1133838 is about 1064.8182943582. The cubic root of 1133838 is about 104.2758333578.

The spelling of 1133838 in words is "one million, one hundred thirty-three thousand, eight hundred thirty-eight".