197447026 has 8 divisors (see below), whose sum is σ = 338480640. Its totient is φ = 84620148.

The previous prime is 197447009. The next prime is 197447039. The reversal of 197447026 is 620744791.

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

It is a self number, because there is not a number n which added to its sum of digits gives 197447026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7051666 + ... + 7051693.

It is an arithmetic number, because the mean of its divisors is an integer number (42310080).

Almost surely, 2^197447026 is an apocalyptic number.

197447026 is a deficient number, since it is larger than the sum of its proper divisors (141033614).

197447026 is a wasteful number, since it uses less digits than its factorization.

197447026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103368.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 197447026 is about 14051.5844658174. The cubic root of 197447026 is about 582.3045704932.

The spelling of 197447026 in words is "one hundred ninety-seven million, four hundred forty-seven thousand, twenty-six".