1979195 has 12 divisors (see below), whose sum is σ = 2473536. Its totient is φ = 1518720.

The previous prime is 1979189. The next prime is 1979207. The reversal of 1979195 is 5919791.

It is a happy number.

It is not a de Polignac number, because 1979195 - 2¹⁴ = 1962811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17459 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (206128).

2^1979195 is an apocalyptic number.

1979195 is a deficient number, since it is larger than the sum of its proper divisors (494341).

1979195 is an equidigital number, since it uses as much as digits as its factorization.

1979195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 149 counting only the distinct ones).

The product of its digits is 25515, while the sum is 41.

The square root of 1979195 is about 1406.8386545727. The cubic root of 1979195 is about 125.5537036764.

The spelling of 1979195 in words is "one million, nine hundred seventy-nine thousand, one hundred ninety-five".