390347 has 2 divisors, whose sum is σ = 390348. Its totient is φ = 390346.

The previous prime is 390343. The next prime is 390353. The reversal of 390347 is 743093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390347 - 2² = 390343 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390347.

It is not a weakly prime, because it can be changed into another prime (390343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195173 + 195174.

It is an arithmetic number, because the mean of its divisors is an integer number (195174).

2³⁹⁰³⁴⁷ is an apocalyptic number.

390347 is a deficient number, since it is larger than the sum of its proper divisors (1).

390347 is an equidigital number, since it uses as much as digits as its factorization.

390347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 390347 is about 624.7775604165. Note that the first 3 decimals coincide. The cubic root of 390347 is about 73.0830979653.

It can be divided in two parts, 390 and 347, that added together give a palindrome (737).

The spelling of 390347 in words is "three hundred ninety thousand, three hundred forty-seven".