328477066 has 4 divisors (see below), whose sum is σ = 492715602. Its totient is φ = 164238532.

The previous prime is 328477063. The next prime is 328477069. The reversal of 328477066 is 660774823.

It is a happy number.

328477066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660774823 = 37 ⋅17858779.

It is an interprime number because it is at equal distance from previous prime (328477063) and next prime (328477069).

It can be written as a sum of positive squares in only one way, i.e., 224130841 + 104346225 = 14971^2 + 10215^2 .

It is not an unprimeable number, because it can be changed into a prime (328477063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82119265 + ... + 82119268.

Almost surely, 2^328477066 is an apocalyptic number.

328477066 is a deficient number, since it is larger than the sum of its proper divisors (164238536).

328477066 is a wasteful number, since it uses less digits than its factorization.

328477066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164238535.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 328477066 is about 18123.9362722340. The cubic root of 328477066 is about 689.9776412275.

The spelling of 328477066 in words is "three hundred twenty-eight million, four hundred seventy-seven thousand, sixty-six".