306484542 has 144 divisors (see below), whose sum is σ = 846162720. Its totient is φ = 78444288.

The previous prime is 306484537. The next prime is 306484543. The reversal of 306484542 is 245484603.

306484542 is a `hidden beast` number, since 3 + 0 + 648 + 4 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 306484497 and 306484506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306484543) 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 71 ways as a sum of consecutive naturals, for example, 787684 + ... + 788072.

It is an arithmetic number, because the mean of its divisors is an integer number (5876130).

Almost surely, 2^306484542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306484542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423081360).

306484542 is an abundant number, since it is smaller than the sum of its proper divisors (539678178).

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

306484542 is a wasteful number, since it uses less digits than its factorization.

306484542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 451 counting only the distinct ones).

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

The square root of 306484542 is about 17506.6999174602. The cubic root of 306484542 is about 674.2219050548.

The spelling of 306484542 in words is "three hundred six million, four hundred eighty-four thousand, five hundred forty-two".