328406074 has 4 divisors (see below), whose sum is σ = 492609114. Its totient is φ = 164203036.

The previous prime is 328406069. The next prime is 328406077. The reversal of 328406074 is 470604823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 268730449 + 59675625 = 16393^2 + 7725^2 .

It is not an unprimeable number, because it can be changed into a prime (328406077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82101517 + ... + 82101520.

Almost surely, 2^328406074 is an apocalyptic number.

328406074 is a deficient number, since it is larger than the sum of its proper divisors (164203040).

328406074 is a wasteful number, since it uses less digits than its factorization.

328406074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164203039.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 328406074 is about 18121.9776514596. The cubic root of 328406074 is about 689.9279305810.

The spelling of 328406074 in words is "three hundred twenty-eight million, four hundred six thousand, seventy-four".