1916117 has 8 divisors (see below), whose sum is σ = 2265600. Its totient is φ = 1585584.

The previous prime is 1916099. The next prime is 1916129. The reversal of 1916117 is 7116191.

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

It is not a de Polignac number, because 1916117 - 2¹⁸ = 1653973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4517 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (283200).

2^1916117 is an apocalyptic number.

It is an amenable number.

1916117 is a deficient number, since it is larger than the sum of its proper divisors (349483).

1916117 is an equidigital number, since it uses as much as digits as its factorization.

1916117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475.

The product of its digits is 378, while the sum is 26.

The square root of 1916117 is about 1384.2387799798. The cubic root of 1916117 is about 124.2054563032.

The spelling of 1916117 in words is "one million, nine hundred sixteen thousand, one hundred seventeen".