304486542 has 48 divisors (see below), whose sum is σ = 680380272. Its totient is φ = 98340480.

The previous prime is 304486531. The next prime is 304486561. The reversal of 304486542 is 245684403.

304486542 is a `hidden beast` number, since 30 + 4 + 4 + 86 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 304486497 and 304486506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186333 + ... + 187959.

It is an arithmetic number, because the mean of its divisors is an integer number (14174589).

Almost surely, 2^304486542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304486542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340190136).

304486542 is an abundant number, since it is smaller than the sum of its proper divisors (375893730).

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

304486542 is a wasteful number, since it uses less digits than its factorization.

304486542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 304486542 is about 17449.5427447254. The cubic root of 304486542 is about 672.7536055622.

The spelling of 304486542 in words is "three hundred four million, four hundred eighty-six thousand, five hundred forty-two".