396742603 has 2 divisors, whose sum is σ = 396742604. Its totient is φ = 396742602.

The previous prime is 396742579. The next prime is 396742607. The reversal of 396742603 is 306247693.

It is a strong prime.

It is an emirp because it is prime and its reverse (306247693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396742603 - 2⁹ = 396742091 is a prime.

It is not a weakly prime, because it can be changed into another prime (396742607) 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, 198371301 + 198371302.

It is an arithmetic number, because the mean of its divisors is an integer number (198371302).

Almost surely, 2^396742603 is an apocalyptic number.

396742603 is a deficient number, since it is larger than the sum of its proper divisors (1).

396742603 is an equidigital number, since it uses as much as digits as its factorization.

396742603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 396742603 is about 19918.3986053096. The cubic root of 396742603 is about 734.8007870182.

The spelling of 396742603 in words is "three hundred ninety-six million, seven hundred forty-two thousand, six hundred three".