197390 has 8 divisors (see below), whose sum is σ = 355320. Its totient is φ = 78952.

The previous prime is 197389. The next prime is 197419. The reversal of 197390 is 93791.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9860 + ... + 9879.

It is an arithmetic number, because the mean of its divisors is an integer number (44415).

2¹⁹⁷³⁹⁰ is an apocalyptic number.

197390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197390 is a deficient number, since it is larger than the sum of its proper divisors (157930).

197390 is a wasteful number, since it uses less digits than its factorization.

197390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19746.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 197390 is about 444.2859439595. The cubic root of 197390 is about 58.2248505332.

The spelling of 197390 in words is "one hundred ninety-seven thousand, three hundred ninety".