1916378 has 32 divisors (see below), whose sum is σ = 3283200. Its totient is φ = 834624.

The previous prime is 1916371. The next prime is 1916413. The reversal of 1916378 is 8736191.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1916371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40751 + ... + 40797.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

2^1916378 is an apocalyptic number.

1916378 is a deficient number, since it is larger than the sum of its proper divisors (1366822).

1916378 is a wasteful number, since it uses less digits than its factorization.

1916378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

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

The square root of 1916378 is about 1384.3330524119. Note that the first 3 decimals coincide. The cubic root of 1916378 is about 124.2110955121.

The spelling of 1916378 in words is "one million, nine hundred sixteen thousand, three hundred seventy-eight".