394633 has 2 divisors, whose sum is σ = 394634. Its totient is φ = 394632.

The previous prime is 394631. The next prime is 394637. The reversal of 394633 is 336493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273529 + 121104 = 523^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 394633 - 2¹ = 394631 is a prime.

Together with 394631, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (394631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197316 + 197317.

It is an arithmetic number, because the mean of its divisors is an integer number (197317).

2³⁹⁴⁶³³ is an apocalyptic number.

It is an amenable number.

394633 is a deficient number, since it is larger than the sum of its proper divisors (1).

394633 is an equidigital number, since it uses as much as digits as its factorization.

394633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 28.

The square root of 394633 is about 628.1982171258. The cubic root of 394633 is about 73.3496084171.

The spelling of 394633 in words is "three hundred ninety-four thousand, six hundred thirty-three".