603999968 has 96 divisors (see below), whose sum is σ = 1470752640. Its totient is φ = 240053760.

The previous prime is 603999967. The next prime is 603999971. The reversal of 603999968 is 869999306.

It is a happy number.

It is a super-2 number, since 2×603999968² = 729631922688002048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603999967) 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, 83471 + ... + 90417.

It is an arithmetic number, because the mean of its divisors is an integer number (15320340).

Almost surely, 2^603999968 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 603999968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735376320).

603999968 is an abundant number, since it is smaller than the sum of its proper divisors (866752672).

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

603999968 is a wasteful number, since it uses less digits than its factorization.

603999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000 (or 6992 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 59.

The square root of 603999968 is about 24576.4108038582. The cubic root of 603999968 is about 845.3027954439.

The spelling of 603999968 in words is "six hundred three million, nine hundred ninety-nine thousand, nine hundred sixty-eight".