396189553 has 2 divisors, whose sum is σ = 396189554. Its totient is φ = 396189552.

The previous prime is 396189511. The next prime is 396189623. The reversal of 396189553 is 355981693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393903409 + 2286144 = 19847^2 + 1512^2 .

It is an emirp because it is prime and its reverse (355981693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396189553 - 2⁹ = 396189041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 396189497 and 396189506.

It is not a weakly prime, because it can be changed into another prime (396189253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198094776 + 198094777.

It is an arithmetic number, because the mean of its divisors is an integer number (198094777).

Almost surely, 2^396189553 is an apocalyptic number.

It is an amenable number.

396189553 is a deficient number, since it is larger than the sum of its proper divisors (1).

396189553 is an equidigital number, since it uses as much as digits as its factorization.

396189553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 49.

The square root of 396189553 is about 19904.5108706544. The cubic root of 396189553 is about 734.4591964862.

The spelling of 396189553 in words is "three hundred ninety-six million, one hundred eighty-nine thousand, five hundred fifty-three".