397143603 has 12 divisors (see below), whose sum is σ = 593433360. Its totient is φ = 255632496.

The previous prime is 397143601. The next prime is 397143653. The reversal of 397143603 is 306341793.

397143603 is a `hidden beast` number, since 3 + 9 + 7 + 1 + 43 + 603 = 666.

It is not a de Polignac number, because 397143603 - 2¹ = 397143601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397143601) 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 in 11 ways as a sum of consecutive naturals, for example, 760551 + ... + 761072.

It is an arithmetic number, because the mean of its divisors is an integer number (49452780).

Almost surely, 2^397143603 is an apocalyptic number.

397143603 is a deficient number, since it is larger than the sum of its proper divisors (196289757).

397143603 is a wasteful number, since it uses less digits than its factorization.

397143603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521658 (or 1521655 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 397143603 is about 19928.4621333408. The cubic root of 397143603 is about 735.0482656073.

It can be divided in two parts, 3971 and 43603, that added together give a palindrome (47574).

The spelling of 397143603 in words is "three hundred ninety-seven million, one hundred forty-three thousand, six hundred three".