328812946 has 32 divisors (see below), whose sum is σ = 651100032. Its totient is φ = 120572160.

The previous prime is 328812943. The next prime is 328812949. The reversal of 328812946 is 649218823.

It is an interprime number because it is at equal distance from previous prime (328812943) and next prime (328812949).

It is not an unprimeable number, because it can be changed into a prime (328812941) 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 in 15 ways as a sum of consecutive naturals, for example, 60181 + ... + 65416.

It is an arithmetic number, because the mean of its divisors is an integer number (20346876).

Almost surely, 2^328812946 is an apocalyptic number.

328812946 is a deficient number, since it is larger than the sum of its proper divisors (322287086).

328812946 is a wasteful number, since it uses less digits than its factorization.

328812946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125634.

The product of its digits is 165888, while the sum is 43.

The square root of 328812946 is about 18133.2001036772. The cubic root of 328812946 is about 690.2127370358.

The spelling of 328812946 in words is "three hundred twenty-eight million, eight hundred twelve thousand, nine hundred forty-six".