328437 has 6 divisors (see below), whose sum is σ = 474422. Its totient is φ = 218952.

The previous prime is 328429. The next prime is 328439. The reversal of 328437 is 734823.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 133956 = 441^2 + 366^2 .

It is not a de Polignac number, because 328437 - 2³ = 328429 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 2¹⁷ + 4² + 8³ + 3¹¹ + 7 .

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 328437.

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18238 + ... + 18255.

2³²⁸⁴³⁷ is an apocalyptic number.

It is an amenable number.

328437 is a deficient number, since it is larger than the sum of its proper divisors (145985).

328437 is a wasteful number, since it uses less digits than its factorization.

328437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36499 (or 36496 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 328437 is about 573.0942330891. The cubic root of 328437 is about 68.9949586739.

It can be divided in two parts, 3284 and 37, that added together give a triangular number (3321 = T₈₁).

The spelling of 328437 in words is "three hundred twenty-eight thousand, four hundred thirty-seven".