304420445 has 16 divisors (see below), whose sum is σ = 442050048. Its totient is φ = 196465920.

The previous prime is 304420429. The next prime is 304420447. The reversal of 304420445 is 544024403.

It is not a de Polignac number, because 304420445 - 2⁴ = 304420429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304420447) 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 15 ways as a sum of consecutive naturals, for example, 255221 + ... + 256410.

It is an arithmetic number, because the mean of its divisors is an integer number (27628128).

Almost surely, 2^304420445 is an apocalyptic number.

304420445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

304420445 is a deficient number, since it is larger than the sum of its proper divisors (137629603).

304420445 is a wasteful number, since it uses less digits than its factorization.

304420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511660.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 304420445 is about 17447.6486954546. The cubic root of 304420445 is about 672.7049222797.

Adding to 304420445 its reverse (544024403), we get a palindrome (848444848).

The spelling of 304420445 in words is "three hundred four million, four hundred twenty thousand, four hundred forty-five".