30368189 has 8 divisors (see below), whose sum is σ = 31415808. Its totient is φ = 29324880.

The previous prime is 30368183. The next prime is 30368207. The reversal of 30368189 is 98186303.

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

It is a cyclic number.

It is not a de Polignac number, because 30368189 - 2¹² = 30364093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30368183) 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, 20264 + ... + 21710.

It is an arithmetic number, because the mean of its divisors is an integer number (3926976).

Almost surely, 2^30368189 is an apocalyptic number.

It is an amenable number.

30368189 is a deficient number, since it is larger than the sum of its proper divisors (1047619).

30368189 is a wasteful number, since it uses less digits than its factorization.

30368189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 30368189 is about 5510.7339801518. The cubic root of 30368189 is about 311.9892508076.

The spelling of 30368189 in words is "thirty million, three hundred sixty-eight thousand, one hundred eighty-nine".