396312001 has 2 divisors, whose sum is σ = 396312002. Its totient is φ = 396312000.

The previous prime is 396311977. The next prime is 396312023. The reversal of 396312001 is 100213693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373262400 + 23049601 = 19320^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 396312001 - 2¹⁹ = 395787713 is a prime.

It is not a weakly prime, because it can be changed into another prime (396312061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198156000 + 198156001.

It is an arithmetic number, because the mean of its divisors is an integer number (198156001).

Almost surely, 2^396312001 is an apocalyptic number.

It is an amenable number.

396312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

396312001 is an equidigital number, since it uses as much as digits as its factorization.

396312001 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 25.

The square root of 396312001 is about 19907.5865187119. The cubic root of 396312001 is about 734.5348537026.

Adding to 396312001 its reverse (100213693), we get a palindrome (496525694).

The spelling of 396312001 in words is "three hundred ninety-six million, three hundred twelve thousand, one".