328434 has 32 divisors (see below), whose sum is σ = 718080. Its totient is φ = 99792.

The previous prime is 328429. The next prime is 328439. The reversal of 328434 is 434823.

328434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (328429) and next prime (328439).

It is an Ulam number.

It is a d-powerful number, because it can be written as 3² + 2³ + 4⁸ + 8 + 3⁶ + 4⁹ .

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 328434.

It is not an unprimeable number, because it can be changed into a prime (328439) by changing a digit.

328434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4869 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (22440).

2³²⁸⁴³⁴ is an apocalyptic number.

328434 is an abundant number, since it is smaller than the sum of its proper divisors (389646).

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

328434 is a wasteful number, since it uses less digits than its factorization.

328434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

The product of its digits is 2304, while the sum is 24.

The square root of 328434 is about 573.0916157125. The cubic root of 328434 is about 68.9947486027.

The spelling of 328434 in words is "three hundred twenty-eight thousand, four hundred thirty-four".