197286446 has 12 divisors (see below), whose sum is σ = 344244888. Its totient is φ = 84551292.

The previous prime is 197286421. The next prime is 197286469. The reversal of 197286446 is 644682791.

197286446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 197286446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1006466 + ... + 1006661.

It is an arithmetic number, because the mean of its divisors is an integer number (28687074).

Almost surely, 2^197286446 is an apocalyptic number.

197286446 is a deficient number, since it is larger than the sum of its proper divisors (146958442).

197286446 is a wasteful number, since it uses less digits than its factorization.

197286446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013143 (or 2013136 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 197286446 is about 14045.8693572167. The cubic root of 197286446 is about 582.1466685143.

The spelling of 197286446 in words is "one hundred ninety-seven million, two hundred eighty-six thousand, four hundred forty-six".