197849713 has 8 divisors (see below), whose sum is σ = 201109376. Its totient is φ = 194616000.

The previous prime is 197849711. The next prime is 197849731. The reversal of 197849713 is 317948791.

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

It is a cyclic number.

It is not a de Polignac number, because 197849713 - 2¹ = 197849711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197849711) 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, 9193 + ... + 21913.

It is an arithmetic number, because the mean of its divisors is an integer number (25138672).

Almost surely, 2^197849713 is an apocalyptic number.

It is an amenable number.

197849713 is a deficient number, since it is larger than the sum of its proper divisors (3259663).

197849713 is a wasteful number, since it uses less digits than its factorization.

197849713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12975.

The product of its digits is 381024, while the sum is 49.

The square root of 197849713 is about 14065.9060497360. The cubic root of 197849713 is about 582.7001656332.

The spelling of 197849713 in words is "one hundred ninety-seven million, eight hundred forty-nine thousand, seven hundred thirteen".