19470208 has 16 divisors (see below), whose sum is σ = 38788560. Its totient is φ = 9735040.

The previous prime is 19470197. The next prime is 19470211. The reversal of 19470208 is 80207491.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 19470208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75928 + ... + 76183.

It is an arithmetic number, because the mean of its divisors is an integer number (2424285).

Almost surely, 2^19470208 is an apocalyptic number.

It is an amenable number.

19470208 is a deficient number, since it is larger than the sum of its proper divisors (19318352).

19470208 is an equidigital number, since it uses as much as digits as its factorization.

19470208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152125 (or 152113 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 19470208 is about 4412.5058640188. The cubic root of 19470208 is about 269.0234866610.

Adding to 19470208 its reverse (80207491), we get a palindrome (99677699).

The spelling of 19470208 in words is "nineteen million, four hundred seventy thousand, two hundred eight".