390673 has 2 divisors, whose sum is σ = 390674. Its totient is φ = 390672.

The previous prime is 390671. The next prime is 390703. The reversal of 390673 is 376093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 16129 = 612^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 390673 - 2¹ = 390671 is a prime.

Together with 390671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (390671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195336 + 195337.

It is an arithmetic number, because the mean of its divisors is an integer number (195337).

2³⁹⁰⁶⁷³ is an apocalyptic number.

It is an amenable number.

390673 is a deficient number, since it is larger than the sum of its proper divisors (1).

390673 is an equidigital number, since it uses as much as digits as its factorization.

390673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 390673 is about 625.0383988204. The cubic root of 390673 is about 73.1034375269.

The spelling of 390673 in words is "three hundred ninety thousand, six hundred seventy-three".