19690414 has 16 divisors (see below), whose sum is σ = 30547440. Its totient is φ = 9512640.

The previous prime is 19690399. The next prime is 19690417. The reversal of 19690414 is 41409691.

It is a self number, because there is not a number n which added to its sum of digits gives 19690414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19690417) 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, 7837 + ... + 10039.

It is an arithmetic number, because the mean of its divisors is an integer number (1909215).

Almost surely, 2^19690414 is an apocalyptic number.

19690414 is a deficient number, since it is larger than the sum of its proper divisors (10857026).

19690414 is a wasteful number, since it uses less digits than its factorization.

19690414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 19690414 is about 4437.3881957746. The cubic root of 19690414 is about 270.0338960645.

The spelling of 19690414 in words is "nineteen million, six hundred ninety thousand, four hundred fourteen".