197078 has 12 divisors (see below), whose sum is σ = 344052. Its totient is φ = 84420.

The previous prime is 197077. The next prime is 197083. The reversal of 197078 is 870791.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908 + ... + 1103.

It is an arithmetic number, because the mean of its divisors is an integer number (28671).

2¹⁹⁷⁰⁷⁸ is an apocalyptic number.

197078 is a deficient number, since it is larger than the sum of its proper divisors (146974).

197078 is a wasteful number, since it uses less digits than its factorization.

197078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2020 counting only the distinct ones).

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

The square root of 197078 is about 443.9346798798. The cubic root of 197078 is about 58.1941570954.

It can be divided in two parts, 1970 and 78, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 197078 in words is "one hundred ninety-seven thousand, seventy-eight".