303240412 has 12 divisors (see below), whose sum is σ = 539665560. Its totient is φ = 149050256.

The previous prime is 303240409. The next prime is 303240433. The reversal of 303240412 is 214042303.

It is a self number, because there is not a number n which added to its sum of digits gives 303240412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642223 + ... + 642694.

It is an arithmetic number, because the mean of its divisors is an integer number (44972130).

Almost surely, 2^303240412 is an apocalyptic number.

It is an amenable number.

303240412 is a deficient number, since it is larger than the sum of its proper divisors (236425148).

303240412 is a wasteful number, since it uses less digits than its factorization.

303240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284980 (or 1284978 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 303240412 is about 17413.7994705349. The cubic root of 303240412 is about 671.8345887993.

Adding to 303240412 its reverse (214042303), we get a palindrome (517282715).

The spelling of 303240412 in words is "three hundred three million, two hundred forty thousand, four hundred twelve".