328567841 has 4 divisors (see below), whose sum is σ = 375506112. Its totient is φ = 281629572.

The previous prime is 328567831. The next prime is 328567843. The reversal of 328567841 is 148765823.

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 328567841 - 2¹⁰ = 328566817 is a prime.

It is a super-2 number, since 2×328567841² = 215913652278802562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328567792 and 328567801.

It is not an unprimeable number, because it can be changed into a prime (328567843) 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, 23469125 + ... + 23469138.

It is an arithmetic number, because the mean of its divisors is an integer number (93876528).

Almost surely, 2^328567841 is an apocalyptic number.

It is an amenable number.

328567841 is a deficient number, since it is larger than the sum of its proper divisors (46938271).

328567841 is an equidigital number, since it uses as much as digits as its factorization.

328567841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46938270.

The product of its digits is 322560, while the sum is 44.

The square root of 328567841 is about 18126.4403841460. The cubic root of 328567841 is about 690.0411940679.

The spelling of 328567841 in words is "three hundred twenty-eight million, five hundred sixty-seven thousand, eight hundred forty-one".