1891714 has 12 divisors (see below), whose sum is σ = 3119382. Its totient is φ = 859760.

The previous prime is 1891711. The next prime is 1891739. The reversal of 1891714 is 4171981.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 1089 = 1375^2 + 33^2 .

It is not an unprimeable number, because it can be changed into a prime (1891711) by changing a digit.

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, 3667 + ... + 4150.

2^1891714 is an apocalyptic number.

1891714 is a deficient number, since it is larger than the sum of its proper divisors (1227668).

1891714 is a wasteful number, since it uses less digits than its factorization.

1891714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841 (or 7830 counting only the distinct ones).

The product of its digits is 2016, while the sum is 31.

The square root of 1891714 is about 1375.3959429924. The cubic root of 1891714 is about 123.6759227441.

The spelling of 1891714 in words is "one million, eight hundred ninety-one thousand, seven hundred fourteen".