197970 has 16 divisors (see below), whose sum is σ = 475200. Its totient is φ = 52784.

The previous prime is 197969. The next prime is 197971. The reversal of 197970 is 79791.

It is an interprime number because it is at equal distance from previous prime (197969) and next prime (197971).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197971) 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 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2¹⁹⁷⁹⁷⁰ is an apocalyptic number.

197970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197970 is an abundant number, since it is smaller than the sum of its proper divisors (277230).

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

197970 is a wasteful number, since it uses less digits than its factorization.

197970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609.

The product of its (nonzero) digits is 3969, while the sum is 33.

The square root of 197970 is about 444.9381979556. The cubic root of 197970 is about 58.2818230087.

The spelling of 197970 in words is "one hundred ninety-seven thousand, nine hundred seventy".