1863914 has 16 divisors (see below), whose sum is σ = 3188808. Its totient is φ = 809472.

The previous prime is 1863913. The next prime is 1863923. The reversal of 1863914 is 4193681.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1776889 + 87025 = 1333^2 + 295^2 .

It is not an unprimeable number, because it can be changed into a prime (1863913) 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 7 ways as a sum of consecutive naturals, for example, 1667 + ... + 2550.

2^1863914 is an apocalyptic number.

1863914 is a deficient number, since it is larger than the sum of its proper divisors (1324894).

1863914 is a wasteful number, since it uses less digits than its factorization.

1863914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its digits is 5184, while the sum is 32.

The square root of 1863914 is about 1365.2523576248. The cubic root of 1863914 is about 123.0670971523.

The spelling of 1863914 in words is "one million, eight hundred sixty-three thousand, nine hundred fourteen".