390328 has 16 divisors (see below), whose sum is σ = 740880. Its totient is φ = 192768.

The previous prime is 390323. The next prime is 390343. The reversal of 390328 is 823093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390323) 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 in 3 ways as a sum of consecutive naturals, for example, 525 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (46305).

2³⁹⁰³²⁸ is an apocalyptic number.

It is an amenable number.

390328 is a deficient number, since it is larger than the sum of its proper divisors (350552).

390328 is a wasteful number, since it uses less digits than its factorization.

390328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 390328 is about 624.7623548198. The cubic root of 390328 is about 73.0819121816.

The spelling of 390328 in words is "three hundred ninety thousand, three hundred twenty-eight".