305346412 has 24 divisors (see below), whose sum is σ = 612442656. Its totient is φ = 130487808.

The previous prime is 305346389. The next prime is 305346421. The reversal of 305346412 is 214643503.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563 + ... + 25330.

It is an arithmetic number, because the mean of its divisors is an integer number (25518444).

Almost surely, 2^305346412 is an apocalyptic number.

It is an amenable number.

305346412 is an abundant number, since it is smaller than the sum of its proper divisors (307096244).

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

305346412 is a wasteful number, since it uses less digits than its factorization.

305346412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31257 (or 31255 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 305346412 is about 17474.1641287931. The cubic root of 305346412 is about 673.3862957610.

Adding to 305346412 its reverse (214643503), we get a palindrome (519989915).

The spelling of 305346412 in words is "three hundred five million, three hundred forty-six thousand, four hundred twelve".