1916841 has 8 divisors (see below), whose sum is σ = 2564224. Its totient is φ = 1273680.

The previous prime is 1916839. The next prime is 1916857. The reversal of 1916841 is 1486191.

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

It is not a de Polignac number, because 1916841 - 2¹ = 1916839 is a prime.

It is the 1385-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1916799 and 1916808.

It is not an unprimeable number, because it can be changed into a prime (1916881) by changing a digit.

It is a nontrivial repunit in base 1384.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (320528).

2^1916841 is an apocalyptic number.

It is an amenable number.

1916841 is a deficient number, since it is larger than the sum of its proper divisors (647383).

1916841 is a wasteful number, since it uses less digits than its factorization.

1916841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its digits is 1728, while the sum is 30.

The square root of 1916841 is about 1384.5002708559. The cubic root of 1916841 is about 124.2210979067.

The spelling of 1916841 in words is "one million, nine hundred sixteen thousand, eight hundred forty-one".