19869741 has 12 divisors (see below), whose sum is σ = 29368768. Its totient is φ = 12938184.

The previous prime is 19869709. The next prime is 19869749. The reversal of 19869741 is 14796891.

It is a happy number.

It is not a de Polignac number, because 19869741 - 2⁵ = 19869709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19869749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25285 + ... + 26058.

Almost surely, 2^19869741 is an apocalyptic number.

It is an amenable number.

19869741 is a deficient number, since it is larger than the sum of its proper divisors (9499027).

19869741 is a wasteful number, since it uses less digits than its factorization.

19869741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51392 (or 51389 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 19869741 is about 4457.5487658578. The cubic root of 19869741 is about 270.8511821189.

The spelling of 19869741 in words is "nineteen million, eight hundred sixty-nine thousand, seven hundred forty-one".