304620442 has 32 divisors (see below), whose sum is σ = 535610880. Its totient is φ = 127224960.

The previous prime is 304620419. The next prime is 304620473. The reversal of 304620442 is 244026403.

It is a super-2 number, since 2×304620442² = 185587227368550728, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 176142 + ... + 177862.

It is an arithmetic number, because the mean of its divisors is an integer number (16737840).

Almost surely, 2^304620442 is an apocalyptic number.

304620442 is a deficient number, since it is larger than the sum of its proper divisors (230990438).

304620442 is a wasteful number, since it uses less digits than its factorization.

304620442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 304620442 is about 17453.3790997617. The cubic root of 304620442 is about 672.8522070808.

Adding to 304620442 its reverse (244026403), we get a palindrome (548646845).

The spelling of 304620442 in words is "three hundred four million, six hundred twenty thousand, four hundred forty-two".