197705380 has 24 divisors (see below), whose sum is σ = 415453248. Its totient is φ = 79030368.

The previous prime is 197705377. The next prime is 197705381. The reversal of 197705380 is 83507791.

It is not an unprimeable number, because it can be changed into a prime (197705381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47337 + ... + 51343.

It is an arithmetic number, because the mean of its divisors is an integer number (17310552).

Almost surely, 2^197705380 is an apocalyptic number.

197705380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197705380 is an abundant number, since it is smaller than the sum of its proper divisors (217747868).

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

197705380 is a wasteful number, since it uses less digits than its factorization.

197705380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483 (or 6481 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 197705380 is about 14060.7745163629. The cubic root of 197705380 is about 582.5584363019.

The spelling of 197705380 in words is "one hundred ninety-seven million, seven hundred five thousand, three hundred eighty".