197931349 has 8 divisors (see below), whose sum is σ = 246771648. Its totient is φ = 154232160.

The previous prime is 197931347. The next prime is 197931359. The reversal of 197931349 is 943139791.

197931349 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 a cyclic number.

It is not a de Polignac number, because 197931349 - 2¹ = 197931347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197931299 and 197931308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197931347) 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, 1285192 + ... + 1285345.

It is an arithmetic number, because the mean of its divisors is an integer number (30846456).

Almost surely, 2^197931349 is an apocalyptic number.

It is an amenable number.

197931349 is a deficient number, since it is larger than the sum of its proper divisors (48840299).

197931349 is a wasteful number, since it uses less digits than its factorization.

197931349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570555.

The product of its digits is 183708, while the sum is 46.

The square root of 197931349 is about 14068.8076609214. The cubic root of 197931349 is about 582.7802984587.

The spelling of 197931349 in words is "one hundred ninety-seven million, nine hundred thirty-one thousand, three hundred forty-nine".