328620708 has 72 divisors (see below), whose sum is σ = 923476736. Its totient is φ = 97848000.

The previous prime is 328620707. The next prime is 328620709. The reversal of 328620708 is 807026823.

It is a happy number.

328620708 is a `hidden beast` number, since 3 + 28 + 620 + 7 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (328620707) and next prime (328620709).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (328620701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3183 + ... + 25833.

Almost surely, 2^328620708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328620708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461738368).

328620708 is an abundant number, since it is smaller than the sum of its proper divisors (594856028).

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

328620708 is a wasteful number, since it uses less digits than its factorization.

328620708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705 (or 22700 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 328620708 is about 18127.8986096017. The cubic root of 328620708 is about 690.0782015966.

The spelling of 328620708 in words is "three hundred twenty-eight million, six hundred twenty thousand, seven hundred eight".