8380389 has 16 divisors (see below), whose sum is σ = 11603072. Its totient is φ = 5375808.

The previous prime is 8380381. The next prime is 8380403. The reversal of 8380389 is 9830838.

It is a happy number.

It is not a de Polignac number, because 8380389 - 2³ = 8380381 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 (8380381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11067 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (725192).

Almost surely, 2^8380389 is an apocalyptic number.

It is an amenable number.

8380389 is a deficient number, since it is larger than the sum of its proper divisors (3222683).

8380389 is a wasteful number, since it uses less digits than its factorization.

8380389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 8380389 is about 2894.8901533564. The cubic root of 8380389 is about 203.1209532606.

The spelling of 8380389 in words is "eight million, three hundred eighty thousand, three hundred eighty-nine".