390608 has 10 divisors (see below), whose sum is σ = 756834. Its totient is φ = 195296.

The previous prime is 390581. The next prime is 390647. The reversal of 390608 is 806093.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 107584 = 532^2 + 328^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12191 + ... + 12222.

2³⁹⁰⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

390608 is a deficient number, since it is larger than the sum of its proper divisors (366226).

390608 is a wasteful number, since it uses less digits than its factorization.

390608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24421 (or 24415 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 390608 is about 624.9863998520. The cubic root of 390608 is about 73.0993829962.

The spelling of 390608 in words is "three hundred ninety thousand, six hundred eight".