390343 has 2 divisors, whose sum is σ = 390344. Its totient is φ = 390342.

The previous prime is 390323. The next prime is 390347. The reversal of 390343 is 343093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 390343 - 2¹⁷ = 259271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195171 + 195172.

It is an arithmetic number, because the mean of its divisors is an integer number (195172).

2³⁹⁰³⁴³ is an apocalyptic number.

390343 is a deficient number, since it is larger than the sum of its proper divisors (1).

390343 is an equidigital number, since it uses as much as digits as its factorization.

390343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 390343 is about 624.7743592690. The cubic root of 390343 is about 73.0828483298.

The spelling of 390343 in words is "three hundred ninety thousand, three hundred forty-three".