197430 has 16 divisors (see below), whose sum is σ = 473904. Its totient is φ = 52640.

The previous prime is 197423. The next prime is 197441. The reversal of 197430 is 34791.

Added to its reverse (34791) it gives a triangular number (232221 = T₆₈₁).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197430.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197430.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (29619).

2¹⁹⁷⁴³⁰ is an apocalyptic number.

197430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197430 is an abundant number, since it is smaller than the sum of its proper divisors (276474).

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

197430 is a wasteful number, since it uses less digits than its factorization.

197430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 197430 is about 444.3309577331. The cubic root of 197430 is about 58.2287832497.

Adding to 197430 its reverse (34791), we get a triangular number (232221 = T₆₈₁).

The spelling of 197430 in words is "one hundred ninety-seven thousand, four hundred thirty".