1916994 has 8 divisors (see below), whose sum is σ = 3834000. Its totient is φ = 638996.

The previous prime is 1916977. The next prime is 1917001. The reversal of 1916994 is 4996191.

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

1916994 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159744 + ... + 159755.

It is an arithmetic number, because the mean of its divisors is an integer number (479250).

2^1916994 is an apocalyptic number.

1916994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916994 is a wasteful number, since it uses less digits than its factorization.

1916994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319504.

The product of its digits is 17496, while the sum is 39.

The square root of 1916994 is about 1384.5555243471. Note that the first 4 decimals coincide. The cubic root of 1916994 is about 124.2244028795.

The spelling of 1916994 in words is "one million, nine hundred sixteen thousand, nine hundred ninety-four".