1916873 has 8 divisors (see below), whose sum is σ = 2244480. Its totient is φ = 1602720.

The previous prime is 1916867. The next prime is 1916881. The reversal of 1916873 is 3786191.

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

It is not a de Polignac number, because 1916873 - 2⁴ = 1916857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1916833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3053 + ... + 3626.

It is an arithmetic number, because the mean of its divisors is an integer number (280560).

2^1916873 is an apocalyptic number.

It is an amenable number.

1916873 is a deficient number, since it is larger than the sum of its proper divisors (327607).

1916873 is an equidigital number, since it uses as much as digits as its factorization.

1916873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727.

The product of its digits is 9072, while the sum is 35.

The square root of 1916873 is about 1384.5118273240. The cubic root of 1916873 is about 124.2217891573.

The spelling of 1916873 in words is "one million, nine hundred sixteen thousand, eight hundred seventy-three".