197826 has 8 divisors (see below), whose sum is σ = 395664. Its totient is φ = 65940.

The previous prime is 197807. The next prime is 197831. The reversal of 197826 is 628791.

It is a sphenic number, since it is the product of 3 distinct primes.

197826 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197826.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16480 + ... + 16491.

It is an arithmetic number, because the mean of its divisors is an integer number (49458).

2¹⁹⁷⁸²⁶ is an apocalyptic number.

197826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197826 is a wasteful number, since it uses less digits than its factorization.

197826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32976.

The product of its digits is 6048, while the sum is 33.

The square root of 197826 is about 444.7763482920. The cubic root of 197826 is about 58.2676885133.

The spelling of 197826 in words is "one hundred ninety-seven thousand, eight hundred twenty-six".