1138336 has 12 divisors (see below), whose sum is σ = 2241162. Its totient is φ = 569152.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138336 is 6338311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 48400 = 1044^2 + 220^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1138336.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17755 + ... + 17818.

2^1138336 is an apocalyptic number.

1138336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1138336 is a deficient number, since it is larger than the sum of its proper divisors (1102826).

1138336 is an equidigital number, since it uses as much as digits as its factorization.

1138336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35583 (or 35575 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 1138336 is about 1066.9283012462. The cubic root of 1138336 is about 104.4135408125.

Subtracting from 1138336 its sum of digits (25), we obtain a palindrome (1138311).

The spelling of 1138336 in words is "one million, one hundred thirty-eight thousand, three hundred thirty-six".