19946105 has 8 divisors (see below), whose sum is σ = 25195200. Its totient is φ = 15116976.

The previous prime is 19946093. The next prime is 19946107. The reversal of 19946105 is 50164991.

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 19946105 - 2⁴ = 19946089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19946107) 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, 104885 + ... + 105074.

It is an arithmetic number, because the mean of its divisors is an integer number (3149400).

Almost surely, 2^19946105 is an apocalyptic number.

It is an amenable number.

19946105 is a deficient number, since it is larger than the sum of its proper divisors (5249095).

19946105 is a wasteful number, since it uses less digits than its factorization.

19946105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209983.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 19946105 is about 4466.1062459373. The cubic root of 19946105 is about 271.1977197550.

The spelling of 19946105 in words is "nineteen million, nine hundred forty-six thousand, one hundred five".