197829 has 16 divisors (see below), whose sum is σ = 311040. Its totient is φ = 123840.

The previous prime is 197807. The next prime is 197831. The reversal of 197829 is 928791.

It is a happy number.

It is not a de Polignac number, because 197829 - 2⁸ = 197573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197793 and 197802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹⁹⁷⁸²⁹ is an apocalyptic number.

It is an amenable number.

197829 is a deficient number, since it is larger than the sum of its proper divisors (113211).

197829 is a wasteful number, since it uses less digits than its factorization.

197829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 451 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 197829 is about 444.7797207607. The cubic root of 197829 is about 58.2679830519.

It can be divided in two parts, 19782 and 9, that added together give a palindrome (19791).

The spelling of 197829 in words is "one hundred ninety-seven thousand, eight hundred twenty-nine".