408028 has 12 divisors (see below), whose sum is σ = 723240. Its totient is φ = 201392.

The previous prime is 408019. The next prime is 408041. The reversal of 408028 is 820804.

408028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

408028 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 283 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (60270).

2⁴⁰⁸⁰²⁸ is an apocalyptic number.

It is an amenable number.

408028 is a deficient number, since it is larger than the sum of its proper divisors (315212).

408028 is a wasteful number, since it uses less digits than its factorization.

408028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 408028 is about 638.7706943810. The cubic root of 408028 is about 74.1702920137.

The spelling of 408028 in words is "four hundred eight thousand, twenty-eight".