396001 has 2 divisors, whose sum is σ = 396002. Its totient is φ = 396000.

The previous prime is 395971. The next prime is 396029. The reversal of 396001 is 100693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 179776 = 465^2 + 424^2 .

It is an emirp because it is prime and its reverse (100693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396001 - 2⁷ = 395873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396001.

It is not a weakly prime, because it can be changed into another prime (396031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198000 + 198001.

It is an arithmetic number, because the mean of its divisors is an integer number (198001).

2³⁹⁶⁰⁰¹ is an apocalyptic number.

It is an amenable number.

396001 is a deficient number, since it is larger than the sum of its proper divisors (1).

396001 is an equidigital number, since it uses as much as digits as its factorization.

396001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 396001 is about 629.2861034537. The cubic root of 396001 is about 73.4342664338.

Adding to 396001 its reverse (100693), we get a palindrome (496694).

It can be divided in two parts, 39600 and 1, that added together give a square (39601 = 199²).

The spelling of 396001 in words is "three hundred ninety-six thousand, one".