328620 has 24 divisors (see below), whose sum is σ = 920304. Its totient is φ = 87616.

The previous prime is 328619. The next prime is 328621. The reversal of 328620 is 26823.

It is an interprime number because it is at equal distance from previous prime (328619) and next prime (328621).

It is a super-2 number, since 2×328620² = 215982208800, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328620.

It is not an unprimeable number, because it can be changed into a prime (328621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (38346).

2³²⁸⁶²⁰ is an apocalyptic number.

328620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328620 is an abundant number, since it is smaller than the sum of its proper divisors (591684).

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

328620 is a wasteful number, since it uses less digits than its factorization.

328620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5487 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 328620 is about 573.2538704623. The cubic root of 328620 is about 69.0077706014.

The spelling of 328620 in words is "three hundred twenty-eight thousand, six hundred twenty".