19674116 has 36 divisors (see below), whose sum is σ = 43257984. Its totient is φ = 7663920.

The previous prime is 19674113. The next prime is 19674163. The reversal of 19674116 is 61147691.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19674113) 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, 485 + ... + 6291.

Almost surely, 2^19674116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19674116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21628992).

19674116 is an abundant number, since it is smaller than the sum of its proper divisors (23583868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19674116 is a wasteful number, since it uses less digits than its factorization.

19674116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5827 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 19674116 is about 4435.5513749702. The cubic root of 19674116 is about 269.9593720304.

The spelling of 19674116 in words is "nineteen million, six hundred seventy-four thousand, one hundred sixteen".