30424409 has 4 divisors (see below), whose sum is σ = 30439440. Its totient is φ = 30409380.

The previous prime is 30424403. The next prime is 30424411. The reversal of 30424409 is 90442403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90442403 = 571 ⋅158393.

It is a cyclic number.

It is not a de Polignac number, because 30424409 - 2⁸ = 30424153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3899 + ... + 8720.

It is an arithmetic number, because the mean of its divisors is an integer number (7609860).

Almost surely, 2^30424409 is an apocalyptic number.

It is an amenable number.

30424409 is a deficient number, since it is larger than the sum of its proper divisors (15031).

30424409 is a wasteful number, since it uses less digits than its factorization.

30424409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30424409 is about 5515.8325754142. The cubic root of 30424409 is about 312.1816585380.

The spelling of 30424409 in words is "thirty million, four hundred twenty-four thousand, four hundred nine".