303420444 has 48 divisors (see below), whose sum is σ = 719373312. Its totient is φ = 99523072.

The previous prime is 303420419. The next prime is 303420473. The reversal of 303420444 is 444024303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351157 + ... + 352019.

It is an arithmetic number, because the mean of its divisors is an integer number (14986944).

Almost surely, 2^303420444 is an apocalyptic number.

It is an amenable number.

303420444 is an abundant number, since it is smaller than the sum of its proper divisors (415952868).

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

303420444 is a wasteful number, since it uses less digits than its factorization.

303420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 303420444 is about 17418.9679372803. The cubic root of 303420444 is about 671.9675172082.

Adding to 303420444 its reverse (444024303), we get a palindrome (747444747).

The spelling of 303420444 in words is "three hundred three million, four hundred twenty thousand, four hundred forty-four".