19674 has 12 divisors (see below), whose sum is σ = 42666. Its totient is φ = 6552.

The previous prime is 19661. The next prime is 19681. The reversal of 19674 is 47691.

19674 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11025 + 8649 = 105^2 + 93^2 .

It is a plaindrome in base 7.

It is a nialpdrome in base 3.

It is a zygodrome in base 3.

It is an unprimeable number.

19674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529 + ... + 564.

2¹⁹⁶⁷⁴ is an apocalyptic number.

19674 is an abundant number, since it is smaller than the sum of its proper divisors (22992).

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

19674 is a wasteful number, since it uses less digits than its factorization.

19674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1098 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 19674 is about 140.2640367307. The cubic root of 19674 is about 26.9958841463.

Adding to 19674 its sum of digits (27), we get a triangular number (19701 = T₁₉₈).

The spelling of 19674 in words is "nineteen thousand, six hundred seventy-four".