1966195 has 16 divisors (see below), whose sum is σ = 2942208. Its totient is φ = 1225440.

The previous prime is 1966189. The next prime is 1966207. The reversal of 1966195 is 5916691.

It is not a de Polignac number, because 1966195 - 2⁵ = 1966163 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (183888).

2^1966195 is an apocalyptic number.

1966195 is a deficient number, since it is larger than the sum of its proper divisors (976013).

1966195 is a wasteful number, since it uses less digits than its factorization.

1966195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130.

The product of its digits is 14580, while the sum is 37.

The square root of 1966195 is about 1402.2107544874. The cubic root of 1966195 is about 125.2782070142.

The spelling of 1966195 in words is "one million, nine hundred sixty-six thousand, one hundred ninety-five".