328893577 has 4 divisors (see below), whose sum is σ = 348240276. Its totient is φ = 309546880.

The previous prime is 328893569. The next prime is 328893589. The reversal of 328893577 is 775398823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 775398823 = 179 ⋅4331837.

It can be written as a sum of positive squares in 2 ways, for example, as 121418361 + 207475216 = 11019^2 + 14404^2 .

It is not a de Polignac number, because 328893577 - 2³ = 328893569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328893977) 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, 9673324 + ... + 9673357.

It is an arithmetic number, because the mean of its divisors is an integer number (87060069).

Almost surely, 2^328893577 is an apocalyptic number.

It is an amenable number.

328893577 is a deficient number, since it is larger than the sum of its proper divisors (19346699).

328893577 is a wasteful number, since it uses less digits than its factorization.

328893577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19346698.

The product of its digits is 2540160, while the sum is 52.

The square root of 328893577 is about 18135.4232649806. The cubic root of 328893577 is about 690.2691500568.

The spelling of 328893577 in words is "three hundred twenty-eight million, eight hundred ninety-three thousand, five hundred seventy-seven".