19964106 has 12 divisors (see below), whose sum is σ = 43255602. Its totient is φ = 6654696.

The previous prime is 19964099. The next prime is 19964111. The reversal of 19964106 is 60146991.

19964106 is a `hidden beast` number, since 1 + 9 + 9 + 641 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 5103081 = 3855^2 + 2259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 554541 + ... + 554576.

Almost surely, 2^19964106 is an apocalyptic number.

19964106 is an abundant number, since it is smaller than the sum of its proper divisors (23291496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19964106 is a wasteful number, since it uses less digits than its factorization.

19964106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109125 (or 1109122 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 19964106 is about 4468.1210816181. The cubic root of 19964106 is about 271.2792789082.

The spelling of 19964106 in words is "nineteen million, nine hundred sixty-four thousand, one hundred six".