328590 has 32 divisors (see below), whose sum is σ = 876960. Its totient is φ = 87552.

The previous prime is 328589. The next prime is 328591. The reversal of 328590 is 95823.

It is an interprime number because it is at equal distance from previous prime (328589) and next prime (328591).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328590.

It is not an unprimeable number, because it can be changed into a prime (328591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (27405).

2³²⁸⁵⁹⁰ is an apocalyptic number.

328590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328590 is an abundant number, since it is smaller than the sum of its proper divisors (548370).

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

328590 is a wasteful number, since it uses less digits than its factorization.

328590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 328590 is about 573.2277034478. The cubic root of 328590 is about 69.0056706115.

It can be divided in two parts, 3285 and 90, that added together give a cube (3375 = 15³).

The spelling of 328590 in words is "three hundred twenty-eight thousand, five hundred ninety".