30400163 has 8 divisors (see below), whose sum is σ = 31149360. Its totient is φ = 29658880.

The previous prime is 30400159. The next prime is 30400177. The reversal of 30400163 is 36100403.

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 30400163 - 2² = 30400159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30400103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6203 + ... + 9963.

It is an arithmetic number, because the mean of its divisors is an integer number (3893670).

Almost surely, 2^30400163 is an apocalyptic number.

30400163 is a deficient number, since it is larger than the sum of its proper divisors (749197).

30400163 is a wasteful number, since it uses less digits than its factorization.

30400163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30400163 is about 5513.6342823949. The cubic root of 30400163 is about 312.0987079476.

Adding to 30400163 its reverse (36100403), we get a palindrome (66500566).

The spelling of 30400163 in words is "thirty million, four hundred thousand, one hundred sixty-three".