30404371 has 4 divisors (see below), whose sum is σ = 30688632. Its totient is φ = 30120112.

The previous prime is 30404369. The next prime is 30404377. The reversal of 30404371 is 17340403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30404371 - 2¹ = 30404369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30404377) 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 3 ways as a sum of consecutive naturals, for example, 141970 + ... + 142183.

It is an arithmetic number, because the mean of its divisors is an integer number (7672158).

Almost surely, 2^30404371 is an apocalyptic number.

30404371 is a deficient number, since it is larger than the sum of its proper divisors (284261).

30404371 is a wasteful number, since it uses less digits than its factorization.

30404371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284260.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30404371 is about 5514.0158686750. The cubic root of 30404371 is about 312.1131075499.

Adding to 30404371 its reverse (17340403), we get a palindrome (47744774).

The spelling of 30404371 in words is "thirty million, four hundred four thousand, three hundred seventy-one".