328331546 has 4 divisors (see below), whose sum is σ = 492497322. Its totient is φ = 164165772.

The previous prime is 328331543. The next prime is 328331561. The reversal of 328331546 is 645133823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645133823 = 269 ⋅2398267.

It can be written as a sum of positive squares in only one way, i.e., 309936025 + 18395521 = 17605^2 + 4289^2 .

It is not an unprimeable number, because it can be changed into a prime (328331543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82082885 + ... + 82082888.

Almost surely, 2^328331546 is an apocalyptic number.

328331546 is a deficient number, since it is larger than the sum of its proper divisors (164165776).

328331546 is a wasteful number, since it uses less digits than its factorization.

328331546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164165775.

The product of its digits is 51840, while the sum is 35.

The square root of 328331546 is about 18119.9212470695. The cubic root of 328331546 is about 689.8757362165.

The spelling of 328331546 in words is "three hundred twenty-eight million, three hundred thirty-one thousand, five hundred forty-six".