3280328 has 32 divisors (see below), whose sum is σ = 6433560. Its totient is φ = 1566720.

The previous prime is 3280313. The next prime is 3280339. The reversal of 3280328 is 8230823.

It can be written as a sum of positive squares in 4 ways, for example, as 2244004 + 1036324 = 1498^2 + 1018^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3280297 and 3280306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23876 + ... + 24012.

Almost surely, 2^3280328 is an apocalyptic number.

It is an amenable number.

3280328 is a deficient number, since it is larger than the sum of its proper divisors (3153232).

3280328 is a wasteful number, since it uses less digits than its factorization.

3280328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3280328 is about 1811.1675792151. The cubic root of 3280328 is about 148.5841293031.

The spelling of 3280328 in words is "three million, two hundred eighty thousand, three hundred twenty-eight".