197705430 has 96 divisors (see below), whose sum is σ = 568661184. Its totient is φ = 47340288.

The previous prime is 197705413. The next prime is 197705449. The reversal of 197705430 is 34507791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41007 + ... + 45573.

It is an arithmetic number, because the mean of its divisors is an integer number (5923554).

Almost surely, 2^197705430 is an apocalyptic number.

197705430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197705430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284330592).

197705430 is an abundant number, since it is smaller than the sum of its proper divisors (370955754).

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

197705430 is a wasteful number, since it uses less digits than its factorization.

197705430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630 (or 4627 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 197705430 is about 14060.7762943587. The cubic root of 197705430 is about 582.5584854119.

It can be divided in two parts, 197705 and 430, that added together give a triangular number (198135 = T₆₂₉).

The spelling of 197705430 in words is "one hundred ninety-seven million, seven hundred five thousand, four hundred thirty".