1916194 has 12 divisors (see below), whose sum is σ = 3343734. Its totient is φ = 821184.

The previous prime is 1916183. The next prime is 1916231. The reversal of 1916194 is 4916191.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 582169 = 1155^2 + 763^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9679 + ... + 9874.

2^1916194 is an apocalyptic number.

1916194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1916194 is a deficient number, since it is larger than the sum of its proper divisors (1427540).

1916194 is a wasteful number, since it uses less digits than its factorization.

1916194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19569 (or 19562 counting only the distinct ones).

The product of its digits is 1944, while the sum is 31.

The square root of 1916194 is about 1384.2665928209. The cubic root of 1916194 is about 124.2071200311.

The spelling of 1916194 in words is "one million, nine hundred sixteen thousand, one hundred ninety-four".