305046642 has 16 divisors (see below), whose sum is σ = 624974112. Its totient is φ = 99202080.

The previous prime is 305046607. The next prime is 305046649. The reversal of 305046642 is 246640503.

It is not an unprimeable number, because it can be changed into a prime (305046649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619768 + ... + 620259.

It is an arithmetic number, because the mean of its divisors is an integer number (39060882).

Almost surely, 2^305046642 is an apocalyptic number.

305046642 is an abundant number, since it is smaller than the sum of its proper divisors (319927470).

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

305046642 is a wasteful number, since it uses less digits than its factorization.

305046642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240073.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 305046642 is about 17465.5845021001. The cubic root of 305046642 is about 673.1658607664.

The spelling of 305046642 in words is "three hundred five million, forty-six thousand, six hundred forty-two".