1916063 has 4 divisors (see below), whose sum is σ = 1924320. Its totient is φ = 1907808.

The previous prime is 1916051. The next prime is 1916069. The reversal of 1916063 is 3606191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3606191 = 89 ⋅40519.

It is a cyclic number.

It is not a de Polignac number, because 1916063 - 2¹⁸ = 1653919 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 (1916069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770 + ... + 4247.

It is an arithmetic number, because the mean of its divisors is an integer number (481080).

2^1916063 is an apocalyptic number.

1916063 is a deficient number, since it is larger than the sum of its proper divisors (8257).

1916063 is an equidigital number, since it uses as much as digits as its factorization.

1916063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1916063 is about 1384.2192745371. The cubic root of 1916063 is about 124.2042895064.

The spelling of 1916063 in words is "one million, nine hundred sixteen thousand, sixty-three".