328015894 has 4 divisors (see below), whose sum is σ = 492023844. Its totient is φ = 164007946.

The previous prime is 328015859. The next prime is 328015927. The reversal of 328015894 is 498510823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498510823 = 631 ⋅790033.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82003972 + ... + 82003975.

It is an arithmetic number, because the mean of its divisors is an integer number (123005961).

Almost surely, 2^328015894 is an apocalyptic number.

328015894 is a deficient number, since it is larger than the sum of its proper divisors (164007950).

328015894 is a wasteful number, since it uses less digits than its factorization.

328015894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164007949.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 328015894 is about 18111.2090706281. The cubic root of 328015894 is about 689.6545873204.

The spelling of 328015894 in words is "three hundred twenty-eight million, fifteen thousand, eight hundred ninety-four".