397988603 has 2 divisors, whose sum is σ = 397988604. Its totient is φ = 397988602.

The previous prime is 397988597. The next prime is 397988609. The reversal of 397988603 is 306889793.

It is a balanced prime because it is at equal distance from previous prime (397988597) and next prime (397988609).

It is a cyclic number.

It is not a de Polignac number, because 397988603 - 2⁸ = 397988347 is a prime.

It is not a weakly prime, because it can be changed into another prime (397988609) 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, 198994301 + 198994302.

It is an arithmetic number, because the mean of its divisors is an integer number (198994302).

Almost surely, 2^397988603 is an apocalyptic number.

397988603 is a deficient number, since it is larger than the sum of its proper divisors (1).

397988603 is an equidigital number, since it uses as much as digits as its factorization.

397988603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 397988603 is about 19949.6517012202. The cubic root of 397988603 is about 735.5692155316.

The spelling of 397988603 in words is "three hundred ninety-seven million, nine hundred eighty-eight thousand, six hundred three".