603898 has 4 divisors (see below), whose sum is σ = 905850. Its totient is φ = 301948.

The previous prime is 603893. The next prime is 603899. The reversal of 603898 is 898306.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898306 = 2 ⋅449153.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 169 = 777^2 + 13^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (603893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150973 + ... + 150976.

2⁶⁰³⁸⁹⁸ is an apocalyptic number.

603898 is a deficient number, since it is larger than the sum of its proper divisors (301952).

603898 is a wasteful number, since it uses less digits than its factorization.

603898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301951.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 603898 is about 777.1087439992. The cubic root of 603898 is about 84.5255224422.

The spelling of 603898 in words is "six hundred three thousand, eight hundred ninety-eight".