328446 has 24 divisors (see below), whose sum is σ = 724464. Its totient is φ = 107520.

The previous prime is 328439. The next prime is 328481. The reversal of 328446 is 644823.

328446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a nialpdrome in base 13.

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 328446.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (30186).

2³²⁸⁴⁴⁶ is an apocalyptic number.

328446 is an abundant number, since it is smaller than the sum of its proper divisors (396018).

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

328446 is a wasteful number, since it uses less digits than its factorization.

328446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 328446 is about 573.1020851471. The cubic root of 328446 is about 68.9955888799.

The spelling of 328446 in words is "three hundred twenty-eight thousand, four hundred forty-six".