197830486 has 8 divisors (see below), whose sum is σ = 339138000. Its totient is φ = 84784488.

The previous prime is 197830483. The next prime is 197830537. The reversal of 197830486 is 684038791.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197830483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7065361 + ... + 7065388.

It is an arithmetic number, because the mean of its divisors is an integer number (42392250).

Almost surely, 2^197830486 is an apocalyptic number.

197830486 is a deficient number, since it is larger than the sum of its proper divisors (141307514).

197830486 is a wasteful number, since it uses less digits than its factorization.

197830486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14130758.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 197830486 is about 14065.2225720036. Note that the first 3 decimals coincide. The cubic root of 197830486 is about 582.6812894555.

The spelling of 197830486 in words is "one hundred ninety-seven million, eight hundred thirty thousand, four hundred eighty-six".