1985194 has 8 divisors (see below), whose sum is σ = 3013920. Its totient is φ = 980556.

The previous prime is 1985189. The next prime is 1985213. The reversal of 1985194 is 4915891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5814 + ... + 6145.

It is an arithmetic number, because the mean of its divisors is an integer number (376740).

2^1985194 is an apocalyptic number.

1985194 is a deficient number, since it is larger than the sum of its proper divisors (1028726).

1985194 is a wasteful number, since it uses less digits than its factorization.

1985194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044.

The product of its digits is 12960, while the sum is 37.

The square root of 1985194 is about 1408.9691267022. The cubic root of 1985194 is about 125.6804280871.

The spelling of 1985194 in words is "one million, nine hundred eighty-five thousand, one hundred ninety-four".