304140401 has 8 divisors (see below), whose sum is σ = 307517160. Its totient is φ = 300782592.

The previous prime is 304140377. The next prime is 304140413. The reversal of 304140401 is 104041403.

It can be written as a sum of positive squares in 4 ways, for example, as 22572001 + 281568400 = 4751^2 + 16780^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 304140401 - 2¹⁸ = 303878257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304140401.

It is not an unprimeable number, because it can be changed into a prime (304140451) 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, 28835 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (38439645).

Almost surely, 2^304140401 is an apocalyptic number.

It is an amenable number.

304140401 is a deficient number, since it is larger than the sum of its proper divisors (3376759).

304140401 is a wasteful number, since it uses less digits than its factorization.

304140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 304140401 is about 17439.6215841973. The cubic root of 304140401 is about 672.4985796186.

Adding to 304140401 its reverse (104041403), we get a palindrome (408181804).

The spelling of 304140401 in words is "three hundred four million, one hundred forty thousand, four hundred one".