304746420 has 192 divisors, whose sum is σ = 997629696. Its totient is φ = 68689920.

The previous prime is 304746401. The next prime is 304746427. The reversal of 304746420 is 24647403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304746427) 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 63 ways as a sum of consecutive naturals, for example, 1761454 + ... + 1761626.

It is an arithmetic number, because the mean of its divisors is an integer number (5195988).

Almost surely, 2^304746420 is an apocalyptic number.

304746420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304746420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498814848).

304746420 is an abundant number, since it is smaller than the sum of its proper divisors (692883276).

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

304746420 is a wasteful number, since it uses less digits than its factorization.

304746420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 304746420 is about 17456.9877126611. The cubic root of 304746420 is about 672.9449486058.

The spelling of 304746420 in words is "three hundred four million, seven hundred forty-six thousand, four hundred twenty".