1916383 has 8 divisors (see below), whose sum is σ = 2285568. Its totient is φ = 1571064.

The previous prime is 1916371. The next prime is 1916413. The reversal of 1916383 is 3836191.

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

It is a cyclic number.

It is not a de Polignac number, because 1916383 - 2⁵ = 1916351 is a prime.

It is a Duffinian number.

1916383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916333) 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, 5791 + ... + 6112.

It is an arithmetic number, because the mean of its divisors is an integer number (285696).

2^1916383 is an apocalyptic number.

1916383 is a deficient number, since it is larger than the sum of its proper divisors (369185).

1916383 is a wasteful number, since it uses less digits than its factorization.

1916383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933.

The product of its digits is 3888, while the sum is 31.

The square root of 1916383 is about 1384.3348583345. The cubic root of 1916383 is about 124.2112035380.

The spelling of 1916383 in words is "one million, nine hundred sixteen thousand, three hundred eighty-three".