328774418 has 16 divisors (see below), whose sum is σ = 575116800. Its totient is φ = 140903028.

The previous prime is 328774393. The next prime is 328774451. The reversal of 328774418 is 814477823.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 238946 + ... + 240317.

It is an arithmetic number, because the mean of its divisors is an integer number (35944800).

Almost surely, 2^328774418 is an apocalyptic number.

328774418 is a deficient number, since it is larger than the sum of its proper divisors (246342382).

328774418 is an equidigital number, since it uses as much as digits as its factorization.

328774418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479286 (or 479272 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 328774418 is about 18132.1377118088. The cubic root of 328774418 is about 690.1857778834.

The spelling of 328774418 in words is "three hundred twenty-eight million, seven hundred seventy-four thousand, four hundred eighteen".