323428 has 12 divisors (see below), whose sum is σ = 646912. Its totient is φ = 138600.

The previous prime is 323419. The next prime is 323441. The reversal of 323428 is 824323.

323428 is an admirable number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3⁷ + 2³ + 4⁹ + 3¹⁰ + 2⁵ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 323399 and 323408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5748 + ... + 5803.

2³²³⁴²⁸ is an apocalyptic number.

It is an amenable number.

323428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

323428 is a wasteful number, since it uses less digits than its factorization.

323428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562 (or 11560 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 323428 is about 568.7073060899. The cubic root of 323428 is about 68.6424124392.

The spelling of 323428 in words is "three hundred twenty-three thousand, four hundred twenty-eight".