396673 has 4 divisors (see below), whose sum is σ = 401220. Its totient is φ = 392128.

The previous prime is 396667. The next prime is 396679. The reversal of 396673 is 376693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376693 = 163 ⋅2311.

It is an interprime number because it is at equal distance from previous prime (396667) and next prime (396679).

It can be written as a sum of positive squares in 2 ways, for example, as 173889 + 222784 = 417^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 396673 - 2¹³ = 388481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396679) 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 in 3 ways as a sum of consecutive naturals, for example, 2140 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (100305).

2³⁹⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

396673 is a deficient number, since it is larger than the sum of its proper divisors (4547).

396673 is an equidigital number, since it uses as much as digits as its factorization.

396673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546.

The product of its digits is 20412, while the sum is 34.

The square root of 396673 is about 629.8198155028. The cubic root of 396673 is about 73.4757814295.

The spelling of 396673 in words is "three hundred ninety-six thousand, six hundred seventy-three".