304405030 has 16 divisors (see below), whose sum is σ = 552245760. Its totient is φ = 120802752.

The previous prime is 304405021. The next prime is 304405039. The reversal of 304405030 is 30504403.

It is an interprime number because it is at equal distance from previous prime (304405021) and next prime (304405039).

It is a junction number, because it is equal to n+sod(n) for n = 304404989 and 304405007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304405039) 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, 118575 + ... + 121114.

It is an arithmetic number, because the mean of its divisors is an integer number (34515360).

Almost surely, 2^304405030 is an apocalyptic number.

304405030 is a deficient number, since it is larger than the sum of its proper divisors (247840730).

304405030 is a wasteful number, since it uses less digits than its factorization.

304405030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239823.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 304405030 is about 17447.2069397941. The cubic root of 304405030 is about 672.6935674560.

Adding to 304405030 its reverse (30504403), we get a palindrome (334909433).

The spelling of 304405030 in words is "three hundred four million, four hundred five thousand, thirty".