398268603 has 8 divisors (see below), whose sum is σ = 590027600. Its totient is φ = 265512384.

The previous prime is 398268587. The next prime is 398268643. The reversal of 398268603 is 306862893.

398268603 is a `hidden beast` number, since 39 + 8 + 2 + 6 + 8 + 603 = 666.

It is not a de Polignac number, because 398268603 - 2⁴ = 398268587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398268643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7375318 + ... + 7375371.

It is an arithmetic number, because the mean of its divisors is an integer number (73753450).

Almost surely, 2^398268603 is an apocalyptic number.

398268603 is a deficient number, since it is larger than the sum of its proper divisors (191758997).

398268603 is a wasteful number, since it uses less digits than its factorization.

398268603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14750698 (or 14750692 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 398268603 is about 19956.6681337341. The cubic root of 398268603 is about 735.7416753270.

The spelling of 398268603 in words is "three hundred ninety-eight million, two hundred sixty-eight thousand, six hundred three".