390604244 has 12 divisors (see below), whose sum is σ = 687509844. Its totient is φ = 194172864.

The previous prime is 390604243. The next prime is 390604259. The reversal of 390604244 is 442406093.

It can be written as a sum of positive squares in 2 ways, for example, as 352312900 + 38291344 = 18770^2 + 6188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 390604244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390604243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281537 + ... + 282920.

It is an arithmetic number, because the mean of its divisors is an integer number (57292487).

Almost surely, 2^390604244 is an apocalyptic number.

It is an amenable number.

390604244 is a deficient number, since it is larger than the sum of its proper divisors (296905600).

390604244 is a wasteful number, since it uses less digits than its factorization.

390604244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564634 (or 564632 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 390604244 is about 19763.7102791961. The cubic root of 390604244 is about 730.9914869293.

The spelling of 390604244 in words is "three hundred ninety million, six hundred four thousand, two hundred forty-four".