8301389 has 4 divisors (see below), whose sum is σ = 8789724. Its totient is φ = 7813056.

The previous prime is 8301379. The next prime is 8301401. The reversal of 8301389 is 9831038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5522500 + 2778889 = 2350^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 8301389 - 2⁸ = 8301133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8301329) 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, 244142 + ... + 244175.

It is an arithmetic number, because the mean of its divisors is an integer number (2197431).

Almost surely, 2^8301389 is an apocalyptic number.

It is an amenable number.

8301389 is a deficient number, since it is larger than the sum of its proper divisors (488335).

8301389 is a wasteful number, since it uses less digits than its factorization.

8301389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488334.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8301389 is about 2881.2131125621. The cubic root of 8301389 is about 202.4806789471.

The spelling of 8301389 in words is "eight million, three hundred one thousand, three hundred eighty-nine".