30196409 has 4 divisors (see below), whose sum is σ = 30434304. Its totient is φ = 29958516.

The previous prime is 30196399. The next prime is 30196423. The reversal of 30196409 is 90469103.

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.

It is a cyclic number.

It is not a de Polignac number, because 30196409 - 2¹² = 30192313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30193409) 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, 118757 + ... + 119010.

It is an arithmetic number, because the mean of its divisors is an integer number (7608576).

Almost surely, 2^30196409 is an apocalyptic number.

It is an amenable number.

30196409 is a deficient number, since it is larger than the sum of its proper divisors (237895).

30196409 is a wasteful number, since it uses less digits than its factorization.

30196409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237894.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 30196409 is about 5495.1259312231. The cubic root of 30196409 is about 311.3998743803.

The spelling of 30196409 in words is "thirty million, one hundred ninety-six thousand, four hundred nine".