328044061 has 4 divisors (see below), whose sum is σ = 331292124. Its totient is φ = 324796000.

The previous prime is 328044037. The next prime is 328044091. The reversal of 328044061 is 160440823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160440823 = 101 ⋅1588523.

It can be written as a sum of positive squares in 2 ways, for example, as 256320100 + 71723961 = 16010^2 + 8469^2 .

It is a cyclic number.

It is not a de Polignac number, because 328044061 - 2⁵ = 328044029 is a prime.

It is a super-2 number, since 2×328044061² = 215225811914743442, 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 (328044001) 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, 1623880 + ... + 1624081.

It is an arithmetic number, because the mean of its divisors is an integer number (82823031).

Almost surely, 2^328044061 is an apocalyptic number.

It is an amenable number.

328044061 is a deficient number, since it is larger than the sum of its proper divisors (3248063).

328044061 is a wasteful number, since it uses less digits than its factorization.

328044061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248062.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 328044061 is about 18111.9866662937. The cubic root of 328044061 is about 689.6743271613.

Adding to 328044061 its reverse (160440823), we get a palindrome (488484884).

The spelling of 328044061 in words is "three hundred twenty-eight million, forty-four thousand, sixty-one".