197214647 has 8 divisors (see below), whose sum is σ = 229083552. Its totient is φ = 166269600.

The previous prime is 197214631. The next prime is 197214659. The reversal of 197214647 is 746412791.

197214647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 197214647 - 2⁴ = 197214631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197214247) 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, 230504 + ... + 231357.

It is an arithmetic number, because the mean of its divisors is an integer number (28635444).

Almost surely, 2^197214647 is an apocalyptic number.

197214647 is a deficient number, since it is larger than the sum of its proper divisors (31868905).

197214647 is an equidigital number, since it uses as much as digits as its factorization.

197214647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461929.

The product of its digits is 84672, while the sum is 41.

The square root of 197214647 is about 14043.3132486604. The cubic root of 197214647 is about 582.0760391983.

The spelling of 197214647 in words is "one hundred ninety-seven million, two hundred fourteen thousand, six hundred forty-seven".