197087 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 158400.

The previous prime is 197083. The next prime is 197089. The reversal of 197087 is 780791.

It is not a de Polignac number, because 197087 - 2² = 197083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197083) 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, 4787 + ... + 4827.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2¹⁹⁷⁰⁸⁷ is an apocalyptic number.

197087 is a deficient number, since it is larger than the sum of its proper divisors (44833).

197087 is a wasteful number, since it uses less digits than its factorization.

197087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 197087 is about 443.9448163905. The cubic root of 197087 is about 58.1950429366.

The spelling of 197087 in words is "one hundred ninety-seven thousand, eighty-seven".