1383808 has 32 divisors (see below), whose sum is σ = 2907000. Its totient is φ = 654336.

The previous prime is 1383803. The next prime is 1383829. The reversal of 1383808 is 8083831.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1383808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148 + ... + 2716.

2^1383808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453500).

1383808 is an abundant number, since it is smaller than the sum of its proper divisors (1523192).

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

1383808 is an equidigital number, since it uses as much as digits as its factorization.

1383808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1383808 is about 1176.3536883098. The cubic root of 1383808 is about 111.4359395272.

The spelling of 1383808 in words is "one million, three hundred eighty-three thousand, eight hundred eight".