196647 has 16 divisors (see below), whose sum is σ = 293760. Its totient is φ = 116000.

The previous prime is 196643. The next prime is 196657. The reversal of 196647 is 746691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 196647 - 2² = 196643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (18360).

2¹⁹⁶⁶⁴⁷ is an apocalyptic number.

196647 is a deficient number, since it is larger than the sum of its proper divisors (97113).

196647 is a wasteful number, since it uses less digits than its factorization.

196647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its digits is 9072, while the sum is 33.

The square root of 196647 is about 443.4489824095. The cubic root of 196647 is about 58.1517035354.

It can be divided in two parts, 19 and 6647, that added together give a palindrome (6666).

The spelling of 196647 in words is "one hundred ninety-six thousand, six hundred forty-seven".