328339730 has 16 divisors (see below), whose sum is σ = 591468480. Its totient is φ = 131234352.

The previous prime is 328339727. The next prime is 328339763. The reversal of 328339730 is 37933823.

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, 1661 + ... + 25679.

It is an arithmetic number, because the mean of its divisors is an integer number (36966780).

Almost surely, 2^328339730 is an apocalyptic number.

328339730 is a deficient number, since it is larger than the sum of its proper divisors (263128750).

328339730 is a wasteful number, since it uses less digits than its factorization.

328339730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25393.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 328339730 is about 18120.1470744583. The cubic root of 328339730 is about 689.8814681219.

The spelling of 328339730 in words is "three hundred twenty-eight million, three hundred thirty-nine thousand, seven hundred thirty".