320447413 has 8 divisors (see below), whose sum is σ = 376469856. Its totient is φ = 268906800.

The previous prime is 320447383. The next prime is 320447423. The reversal of 320447413 is 314744023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320447413 - 2¹³ = 320439221 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 (320447423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120303 + ... + 1120588.

It is an arithmetic number, because the mean of its divisors is an integer number (47058732).

Almost surely, 2^320447413 is an apocalyptic number.

It is an amenable number.

320447413 is a deficient number, since it is larger than the sum of its proper divisors (56022443).

320447413 is a wasteful number, since it uses less digits than its factorization.

320447413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240915.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 320447413 is about 17901.0450253609. The cubic root of 320447413 is about 684.3090074966.

The spelling of 320447413 in words is "three hundred twenty million, four hundred forty-seven thousand, four hundred thirteen".