8230391 has 16 divisors (see below), whose sum is σ = 9269568. Its totient is φ = 7257600.

The previous prime is 8230379. The next prime is 8230399. The reversal of 8230391 is 1930328.

It is a cyclic number.

It is not a de Polignac number, because 8230391 - 2¹⁴ = 8214007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8230391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8230399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34031 + ... + 34271.

It is an arithmetic number, because the mean of its divisors is an integer number (579348).

Almost surely, 2^8230391 is an apocalyptic number.

8230391 is a deficient number, since it is larger than the sum of its proper divisors (1039177).

8230391 is a wasteful number, since it uses less digits than its factorization.

8230391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 8230391 is about 2868.8658037629. The cubic root of 8230391 is about 201.9017837729.

The spelling of 8230391 in words is "eight million, two hundred thirty thousand, three hundred ninety-one".