19698796 has 12 divisors (see below), whose sum is σ = 37124752. Its totient is φ = 9091728.

The previous prime is 19698761. The next prime is 19698797. The reversal of 19698796 is 69789691.

It is not an unprimeable number, because it can be changed into a prime (19698797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189360 + ... + 189463.

Almost surely, 2^19698796 is an apocalyptic number.

It is an amenable number.

19698796 is a deficient number, since it is larger than the sum of its proper divisors (17425956).

19698796 is a wasteful number, since it uses less digits than its factorization.

19698796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378840 (or 378838 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 19698796 is about 4438.3325697834. The cubic root of 19698796 is about 270.0722074822.

The spelling of 19698796 in words is "nineteen million, six hundred ninety-eight thousand, seven hundred ninety-six".