30352189 has 4 divisors (see below), whose sum is σ = 34688224. Its totient is φ = 26016156.

The previous prime is 30352141. The next prime is 30352207. The reversal of 30352189 is 98125303.

It is a happy number.

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: 98125303 = 1201 ⋅81703.

It is a cyclic number.

It is not a de Polignac number, because 30352189 - 2⁷ = 30352061 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 30352189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30352789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168007 + ... + 2168020.

It is an arithmetic number, because the mean of its divisors is an integer number (8672056).

Almost surely, 2^30352189 is an apocalyptic number.

It is an amenable number.

30352189 is a deficient number, since it is larger than the sum of its proper divisors (4336035).

30352189 is an equidigital number, since it uses as much as digits as its factorization.

30352189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336034.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 30352189 is about 5509.2820766412. The cubic root of 30352189 is about 311.9344488903.

The spelling of 30352189 in words is "thirty million, three hundred fifty-two thousand, one hundred eighty-nine".