603964640 has 48 divisors (see below), whose sum is σ = 1439998560. Its totient is φ = 239362560.

The previous prime is 603964633. The next prime is 603964679. The reversal of 603964640 is 46469306.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 603964594 and 603964603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 34755.

It is an arithmetic number, because the mean of its divisors is an integer number (29999970).

Almost surely, 2^603964640 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 603964640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719999280).

603964640 is an abundant number, since it is smaller than the sum of its proper divisors (836033920).

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

603964640 is a wasteful number, since it uses less digits than its factorization.

603964640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34755 (or 34747 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 603964640 is about 24575.6920553623. The cubic root of 603964640 is about 845.2863145162.

The spelling of 603964640 in words is "six hundred three million, nine hundred sixty-four thousand, six hundred forty".