8320413 has 4 divisors (see below), whose sum is σ = 11093888. Its totient is φ = 5546940.

The previous prime is 8320409. The next prime is 8320451. The reversal of 8320413 is 3140238.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8320413 - 2² = 8320409 is a prime.

It is a Duffinian number.

8320413 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8320413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8320453) 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 3 ways as a sum of consecutive naturals, for example, 1386733 + ... + 1386738.

It is an arithmetic number, because the mean of its divisors is an integer number (2773472).

Almost surely, 2^8320413 is an apocalyptic number.

It is an amenable number.

8320413 is a deficient number, since it is larger than the sum of its proper divisors (2773475).

8320413 is a wasteful number, since it uses less digits than its factorization.

8320413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773474.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8320413 is about 2884.5126104769. The cubic root of 8320413 is about 202.6352335518.

The spelling of 8320413 in words is "eight million, three hundred twenty thousand, four hundred thirteen".