328747144 has 16 divisors (see below), whose sum is σ = 672437520. Its totient is φ = 149430480.

The previous prime is 328747127. The next prime is 328747151. The reversal of 328747144 is 441747823.

It is a junction number, because it is equal to n+sod(n) for n = 328747097 and 328747106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867794 + ... + 1867969.

It is an arithmetic number, because the mean of its divisors is an integer number (42027345).

Almost surely, 2^328747144 is an apocalyptic number.

It is an amenable number.

328747144 is an abundant number, since it is smaller than the sum of its proper divisors (343690376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328747144 is a wasteful number, since it uses less digits than its factorization.

328747144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735780 (or 3735776 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 328747144 is about 18131.3856061802. The cubic root of 328747144 is about 690.1666922059.

The spelling of 328747144 in words is "three hundred twenty-eight million, seven hundred forty-seven thousand, one hundred forty-four".