1383318 has 20 divisors (see below), whose sum is σ = 3100020. Its totient is φ = 461052.

The previous prime is 1383301. The next prime is 1383323. The reversal of 1383318 is 8133831.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1383291 and 1383300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4108 + ... + 4431.

It is an arithmetic number, because the mean of its divisors is an integer number (155001).

2^1383318 is an apocalyptic number.

1383318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1383318 is an abundant number, since it is smaller than the sum of its proper divisors (1716702).

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

1383318 is an equidigital number, since it uses as much as digits as its factorization.

1383318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553 (or 8544 counting only the distinct ones).

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

The square root of 1383318 is about 1176.1453991748. The cubic root of 1383318 is about 111.4227849911.

The spelling of 1383318 in words is "one million, three hundred eighty-three thousand, three hundred eighteen".