305912942 has 8 divisors (see below), whose sum is σ = 468632736. Its totient is φ = 149702032.

The previous prime is 305912933. The next prime is 305912947. The reversal of 305912942 is 249219503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305912947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627103 + ... + 1627290.

It is an arithmetic number, because the mean of its divisors is an integer number (58579092).

Almost surely, 2^305912942 is an apocalyptic number.

305912942 is a deficient number, since it is larger than the sum of its proper divisors (162719794).

305912942 is a wasteful number, since it uses less digits than its factorization.

305912942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254442.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 305912942 is about 17490.3671202179. The cubic root of 305912942 is about 673.8024982872.

It can be divided in two parts, 30591 and 2942, that added together give a palindrome (33533).

The spelling of 305912942 in words is "three hundred five million, nine hundred twelve thousand, nine hundred forty-two".