1138833 has 8 divisors (see below), whose sum is σ = 1687200. Its totient is φ = 759204.

The previous prime is 1138831. The next prime is 1138849. The reversal of 1138833 is 3388311.

It is not a de Polignac number, because 1138833 - 2¹ = 1138831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42179 = 1138833 / (1 + 1 + 3 + 8 + 8 + 3 + 3).

1138833 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1138797 and 1138806.

It is not an unprimeable number, because it can be changed into a prime (1138831) 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 7 ways as a sum of consecutive naturals, for example, 21063 + ... + 21116.

It is an arithmetic number, because the mean of its divisors is an integer number (210900).

2^1138833 is an apocalyptic number.

It is an amenable number.

1138833 is a deficient number, since it is larger than the sum of its proper divisors (548367).

1138833 is an equidigital number, since it uses as much as digits as its factorization.

1138833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42188 (or 42182 counting only the distinct ones).

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

The square root of 1138833 is about 1067.1611874501. The cubic root of 1138833 is about 104.4287343287.

The spelling of 1138833 in words is "one million, one hundred thirty-eight thousand, eight hundred thirty-three".