409328 has 10 divisors (see below), whose sum is σ = 793104. Its totient is φ = 204656.

The previous prime is 409327. The next prime is 409333. The reversal of 409328 is 823904.

It is a junction number, because it is equal to n+sod(n) for n = 409297 and 409306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409327) by changing a digit.

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 as a sum of consecutive naturals, namely, 12776 + ... + 12807.

2⁴⁰⁹³²⁸ is an apocalyptic number.

It is an amenable number.

409328 is a deficient number, since it is larger than the sum of its proper divisors (383776).

409328 is a wasteful number, since it uses less digits than its factorization.

409328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25591 (or 25585 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 409328 is about 639.7874647100. The cubic root of 409328 is about 74.2489787372.

It can be divided in two parts, 409 and 328, that added together give a palindrome (737).

The spelling of 409328 in words is "four hundred nine thousand, three hundred twenty-eight".