328442 has 8 divisors (see below), whose sum is σ = 498036. Its totient is φ = 162432.

The previous prime is 328439. The next prime is 328481. The reversal of 328442 is 244823.

It can be written as a sum of positive squares in 2 ways, for example, as 326041 + 2401 = 571^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 1040.

2³²⁸⁴⁴² is an apocalyptic number.

328442 is a deficient number, since it is larger than the sum of its proper divisors (169594).

328442 is a wasteful number, since it uses less digits than its factorization.

328442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its digits is 1536, while the sum is 23.

The square root of 328442 is about 573.0985953569. The cubic root of 328442 is about 68.9953087898.

The spelling of 328442 in words is "three hundred twenty-eight thousand, four hundred forty-two".