304414421 has 8 divisors (see below), whose sum is σ = 318160920. Its totient is φ = 290884608.

The previous prime is 304414403. The next prime is 304414469. The reversal of 304414421 is 124414403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11628100 + 292786321 = 3410^2 + 17111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304414421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304414321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51296 + ... + 56921.

It is an arithmetic number, because the mean of its divisors is an integer number (39770115).

Almost surely, 2^304414421 is an apocalyptic number.

It is an amenable number.

304414421 is a deficient number, since it is larger than the sum of its proper divisors (13746499).

304414421 is a wasteful number, since it uses less digits than its factorization.

304414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108343.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 304414421 is about 17447.4760638896. The cubic root of 304414421 is about 672.7004849943.

Adding to 304414421 its reverse (124414403), we get a palindrome (428828824).

The spelling of 304414421 in words is "three hundred four million, four hundred fourteen thousand, four hundred twenty-one".