1916115 has 16 divisors (see below), whose sum is σ = 3091200. Its totient is φ = 1013472.

The previous prime is 1916099. The next prime is 1916129. The reversal of 1916115 is 5116191.

It is not a de Polignac number, because 1916115 - 2⁴ = 1916099 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1626 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (193200).

2^1916115 is an apocalyptic number.

1916115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1916115 is a deficient number, since it is larger than the sum of its proper divisors (1175085).

1916115 is a wasteful number, since it uses less digits than its factorization.

1916115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 270, while the sum is 24.

The square root of 1916115 is about 1384.2380575609. The cubic root of 1916115 is about 124.2054130889.

The spelling of 1916115 in words is "one million, nine hundred sixteen thousand, one hundred fifteen".