603968442 has 128 divisors (see below), whose sum is σ = 1585612800. Its totient is φ = 148780800.

The previous prime is 603968437. The next prime is 603968459. The reversal of 603968442 is 244869306.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 603968394 and 603968403.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 816909 + ... + 817647.

It is an arithmetic number, because the mean of its divisors is an integer number (12387600).

Almost surely, 2^603968442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 603968442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792806400).

603968442 is an abundant number, since it is smaller than the sum of its proper divisors (981644358).

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

603968442 is a wasteful number, since it uses less digits than its factorization.

603968442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 603968442 is about 24575.7694080979. The cubic root of 603968442 is about 845.2880882248.

The spelling of 603968442 in words is "six hundred three million, nine hundred sixty-eight thousand, four hundred forty-two".