197348739 has 8 divisors (see below), whose sum is σ = 300721920. Its totient is φ = 112770696.

The previous prime is 197348719. The next prime is 197348747. The reversal of 197348739 is 937843791.

197348739 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 197348739 - 2⁵ = 197348707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197348691 and 197348700.

It is not an unprimeable number, because it can be changed into a prime (197348719) 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, 4698759 + ... + 4698800.

It is an arithmetic number, because the mean of its divisors is an integer number (37590240).

Almost surely, 2^197348739 is an apocalyptic number.

197348739 is a deficient number, since it is larger than the sum of its proper divisors (103373181).

197348739 is an equidigital number, since it uses as much as digits as its factorization.

197348739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397569.

The product of its digits is 1143072, while the sum is 51.

The square root of 197348739 is about 14048.0866668739. The cubic root of 197348739 is about 582.2079328114.

The spelling of 197348739 in words is "one hundred ninety-seven million, three hundred forty-eight thousand, seven hundred thirty-nine".