19696850 has 24 divisors (see below), whose sum is σ = 36829488. Its totient is φ = 7837200.

The previous prime is 19696849. The next prime is 19696871. The reversal of 19696850 is 5869691.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9617 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (1534562).

Almost surely, 2^19696850 is an apocalyptic number.

19696850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19696850 is a deficient number, since it is larger than the sum of its proper divisors (17132638).

19696850 is a wasteful number, since it uses less digits than its factorization.

19696850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 19696850 is about 4438.1133378948. The cubic root of 19696850 is about 270.0633139128.

The spelling of 19696850 in words is "nineteen million, six hundred ninety-six thousand, eight hundred fifty".