1906196 has 12 divisors (see below), whose sum is σ = 3352020. Its totient is φ = 948480.

The previous prime is 1906187. The next prime is 1906211. The reversal of 1906196 is 6916091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 583696 = 1150^2 + 764^2 .

It is a congruent number.

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, 125 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (279335).

2^1906196 is an apocalyptic number.

It is an amenable number.

1906196 is a deficient number, since it is larger than the sum of its proper divisors (1445824).

1906196 is a wasteful number, since it uses less digits than its factorization.

1906196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1906196 is about 1380.6505712888. The cubic root of 1906196 is about 123.9907207763.

The spelling of 1906196 in words is "one million, nine hundred six thousand, one hundred ninety-six".