8378383 has 4 divisors (see below), whose sum is σ = 9022888. Its totient is φ = 7733880.

The previous prime is 8378369. The next prime is 8378387. The reversal of 8378383 is 3838738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3838738 = 2 ⋅1919369.

It is a cyclic number.

It is not a de Polignac number, because 8378383 - 2⁵ = 8378351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378387) 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, 322233 + ... + 322258.

It is an arithmetic number, because the mean of its divisors is an integer number (2255722).

Almost surely, 2^8378383 is an apocalyptic number.

8378383 is a deficient number, since it is larger than the sum of its proper divisors (644505).

8378383 is a wasteful number, since it uses less digits than its factorization.

8378383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644504.

The product of its digits is 96768, while the sum is 40.

The square root of 8378383 is about 2894.5436600611. The cubic root of 8378383 is about 203.1047450572.

The spelling of 8378383 in words is "eight million, three hundred seventy-eight thousand, three hundred eighty-three".