30769189 has 8 divisors (see below), whose sum is σ = 35333280. Its totient is φ = 26499600.

The previous prime is 30769187. The next prime is 30769217. The reversal of 30769189 is 98196703.

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 30769189 - 2¹ = 30769187 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 (30769183) 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, 73402 + ... + 73819.

It is an arithmetic number, because the mean of its divisors is an integer number (4416660).

Almost surely, 2^30769189 is an apocalyptic number.

It is an amenable number.

30769189 is a deficient number, since it is larger than the sum of its proper divisors (4564091).

30769189 is a wasteful number, since it uses less digits than its factorization.

30769189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147251.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 30769189 is about 5546.9981972234. The cubic root of 30769189 is about 313.3564822443.

It can be divided in two parts, 307 and 69189, that added together give a palindrome (69496).

The spelling of 30769189 in words is "thirty million, seven hundred sixty-nine thousand, one hundred eighty-nine".