320452647 has 8 divisors (see below), whose sum is σ = 428223600. Its totient is φ = 213158400.

The previous prime is 320452637. The next prime is 320452667. The reversal of 320452647 is 746254023.

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

It is not a de Polignac number, because 320452647 - 2¹⁰ = 320451623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320452637) 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, 117604 + ... + 120297.

It is an arithmetic number, because the mean of its divisors is an integer number (53527950).

Almost surely, 2^320452647 is an apocalyptic number.

320452647 is a deficient number, since it is larger than the sum of its proper divisors (107770953).

320452647 is a wasteful number, since it uses less digits than its factorization.

320452647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238353.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 320452647 is about 17901.1912173464. The cubic root of 320452647 is about 684.3127331769.

The spelling of 320452647 in words is "three hundred twenty million, four hundred fifty-two thousand, six hundred forty-seven".