396428603 has 2 divisors, whose sum is σ = 396428604. Its totient is φ = 396428602.

The previous prime is 396428587. The next prime is 396428609. The reversal of 396428603 is 306824693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396428603 - 2⁴ = 396428587 is a prime.

It is not a weakly prime, because it can be changed into another prime (396428609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198214301 + 198214302.

It is an arithmetic number, because the mean of its divisors is an integer number (198214302).

Almost surely, 2^396428603 is an apocalyptic number.

396428603 is a deficient number, since it is larger than the sum of its proper divisors (1).

396428603 is an equidigital number, since it uses as much as digits as its factorization.

396428603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 396428603 is about 19910.5148853564. The cubic root of 396428603 is about 734.6068843539.

The spelling of 396428603 in words is "three hundred ninety-six million, four hundred twenty-eight thousand, six hundred three".