328464727 has 4 divisors (see below), whose sum is σ = 328505976. Its totient is φ = 328423480.

The previous prime is 328464709. The next prime is 328464739. The reversal of 328464727 is 727464823.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 328464727 - 2¹¹ = 328462679 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 (328414727) 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, 4453 + ... + 26014.

It is an arithmetic number, because the mean of its divisors is an integer number (82126494).

Almost surely, 2^328464727 is an apocalyptic number.

328464727 is a deficient number, since it is larger than the sum of its proper divisors (41249).

328464727 is a wasteful number, since it uses less digits than its factorization.

328464727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41248.

The product of its digits is 451584, while the sum is 43.

The square root of 328464727 is about 18123.5958628524. The cubic root of 328464727 is about 689.9690016180.

It can be divided in two parts, 32846 and 4727, that added together give a palindrome (37573).

The spelling of 328464727 in words is "three hundred twenty-eight million, four hundred sixty-four thousand, seven hundred twenty-seven".