603988 has 48 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 224640.

The previous prime is 603949. The next prime is 603989. The reversal of 603988 is 889306.

603988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11370 + ... + 11422.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁶⁰³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 603988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689472).

603988 is an abundant number, since it is smaller than the sum of its proper divisors (774956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

603988 is a wasteful number, since it uses less digits than its factorization.

603988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 110 counting only the distinct ones).

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

The square root of 603988 is about 777.1666487955. The cubic root of 603988 is about 84.5297212303.

It can be divided in two parts, 60398 and 8, that added together give a palindrome (60406).

The spelling of 603988 in words is "six hundred three thousand, nine hundred eighty-eight".