197069806 has 4 divisors (see below), whose sum is σ = 295604712. Its totient is φ = 98534902.

The previous prime is 197069779. The next prime is 197069827. The reversal of 197069806 is 608960791.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49267450 + ... + 49267453.

It is an arithmetic number, because the mean of its divisors is an integer number (73901178).

Almost surely, 2^197069806 is an apocalyptic number.

197069806 is a deficient number, since it is larger than the sum of its proper divisors (98534906).

197069806 is an equidigital number, since it uses as much as digits as its factorization.

197069806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98534905.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 197069806 is about 14038.1553631522. The cubic root of 197069806 is about 581.9335056273.

The spelling of 197069806 in words is "one hundred ninety-seven million, sixty-nine thousand, eight hundred six".