305343412 has 12 divisors (see below), whose sum is σ = 582928416. Its totient is φ = 138792440.

The previous prime is 305343383. The next prime is 305343421. The reversal of 305343412 is 214343503.

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, 3469768 + ... + 3469855.

It is an arithmetic number, because the mean of its divisors is an integer number (48577368).

Almost surely, 2^305343412 is an apocalyptic number.

It is an amenable number.

305343412 is a deficient number, since it is larger than the sum of its proper divisors (277585004).

305343412 is a wasteful number, since it uses less digits than its factorization.

305343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939638 (or 6939636 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 305343412 is about 17474.0782875664. The cubic root of 305343412 is about 673.3840904347.

Adding to 305343412 its reverse (214343503), we get a palindrome (519686915).

Subtracting from 305343412 its reverse (214343503), we obtain a palindrome (90999909).

The spelling of 305343412 in words is "three hundred five million, three hundred forty-three thousand, four hundred twelve".