328467871 has 4 divisors (see below), whose sum is σ = 334665432. Its totient is φ = 322270312.

The previous prime is 328467787. The next prime is 328467889. The reversal of 328467871 is 178764823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328467871 - 2⁷ = 328467743 is a prime.

It is a super-2 number, since 2×328467871² = 215782284558545282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328461871) 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, 3098701 + ... + 3098806.

It is an arithmetic number, because the mean of its divisors is an integer number (83666358).

Almost surely, 2^328467871 is an apocalyptic number.

328467871 is a deficient number, since it is larger than the sum of its proper divisors (6197561).

328467871 is an equidigital number, since it uses as much as digits as its factorization.

328467871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197560.

The product of its digits is 451584, while the sum is 46.

The square root of 328467871 is about 18123.6826003988. The cubic root of 328467871 is about 689.9712030270.

The spelling of 328467871 in words is "three hundred twenty-eight million, four hundred sixty-seven thousand, eight hundred seventy-one".