30106894 has 4 divisors (see below), whose sum is σ = 45160344. Its totient is φ = 15053446.

The previous prime is 30106889. The next prime is 30106907. The reversal of 30106894 is 49860103.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7526722 + ... + 7526725.

It is an arithmetic number, because the mean of its divisors is an integer number (11290086).

Almost surely, 2^30106894 is an apocalyptic number.

30106894 is a deficient number, since it is larger than the sum of its proper divisors (15053450).

30106894 is a wasteful number, since it uses less digits than its factorization.

30106894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053449.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30106894 is about 5486.9749407119. The cubic root of 30106894 is about 311.0918625941.

Adding to 30106894 its reverse (49860103), we get a palindrome (79966997).

The spelling of 30106894 in words is "thirty million, one hundred six thousand, eight hundred ninety-four".