304540401 has 32 divisors (see below), whose sum is σ = 472117248. Its totient is φ = 172768640.

The previous prime is 304540399. The next prime is 304540403. The reversal of 304540401 is 104045403.

It is an interprime number because it is at equal distance from previous prime (304540399) and next prime (304540403).

It is not a de Polignac number, because 304540401 - 2¹ = 304540399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (304540403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31405 + ... + 39941.

It is an arithmetic number, because the mean of its divisors is an integer number (14753664).

Almost surely, 2^304540401 is an apocalyptic number.

It is an amenable number.

304540401 is a deficient number, since it is larger than the sum of its proper divisors (167576847).

304540401 is a wasteful number, since it uses less digits than its factorization.

304540401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 304540401 is about 17451.0859547479. The cubic root of 304540401 is about 672.7932698223.

Adding to 304540401 its reverse (104045403), we get a palindrome (408585804).

The spelling of 304540401 in words is "three hundred four million, five hundred forty thousand, four hundred one".