390338489 has 8 divisors (see below), whose sum is σ = 411101280. Its totient is φ = 369597600.

The previous prime is 390338471. The next prime is 390338569. The reversal of 390338489 is 984833093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390338489 - 2⁸ = 390338233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (390338089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41549 + ... + 50069.

It is an arithmetic number, because the mean of its divisors is an integer number (51387660).

Almost surely, 2^390338489 is an apocalyptic number.

It is an amenable number.

390338489 is a deficient number, since it is larger than the sum of its proper divisors (20762791).

390338489 is a wasteful number, since it uses less digits than its factorization.

390338489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 390338489 is about 19756.9858278028. The cubic root of 390338489 is about 730.8256680137.

The spelling of 390338489 in words is "three hundred ninety million, three hundred thirty-eight thousand, four hundred eighty-nine".