30163209 has 8 divisors (see below), whose sum is σ = 40260480. Its totient is φ = 20087376.

The previous prime is 30163157. The next prime is 30163223. The reversal of 30163209 is 90236103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30163209 - 2¹³ = 30155017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30163229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722 + ... + 7955.

It is an arithmetic number, because the mean of its divisors is an integer number (5032560).

Almost surely, 2^30163209 is an apocalyptic number.

It is an amenable number.

30163209 is a deficient number, since it is larger than the sum of its proper divisors (10097271).

30163209 is a wasteful number, since it uses less digits than its factorization.

30163209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 30163209 is about 5492.1042415453. The cubic root of 30163209 is about 311.2857077467.

The spelling of 30163209 in words is "thirty million, one hundred sixty-three thousand, two hundred nine".