1378383 has 8 divisors (see below), whose sum is σ = 1845888. Its totient is φ = 914904.

The previous prime is 1378373. The next prime is 1378387. The reversal of 1378383 is 3838731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1378383 - 2⁶ = 1378319 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (230736).

2^1378383 is an apocalyptic number.

1378383 is a deficient number, since it is larger than the sum of its proper divisors (467505).

1378383 is a wasteful number, since it uses less digits than its factorization.

1378383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its digits is 12096, while the sum is 33.

The square root of 1378383 is about 1174.0455698141. The cubic root of 1378383 is about 111.2901265006.

The spelling of 1378383 in words is "one million, three hundred seventy-eight thousand, three hundred eighty-three".