397696603 has 2 divisors, whose sum is σ = 397696604. Its totient is φ = 397696602.

The previous prime is 397696601. The next prime is 397696661. The reversal of 397696603 is 306696793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397696603 - 2¹ = 397696601 is a prime.

Together with 397696601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (397696601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198848301 + 198848302.

It is an arithmetic number, because the mean of its divisors is an integer number (198848302).

Almost surely, 2^397696603 is an apocalyptic number.

397696603 is a deficient number, since it is larger than the sum of its proper divisors (1).

397696603 is an equidigital number, since it uses as much as digits as its factorization.

397696603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 397696603 is about 19942.3319348566. The cubic root of 397696603 is about 735.3892784182.

The spelling of 397696603 in words is "three hundred ninety-seven million, six hundred ninety-six thousand, six hundred three".