1896986 has 24 divisors (see below), whose sum is σ = 3567060. Its totient is φ = 749952.

The previous prime is 1896959. The next prime is 1896989. The reversal of 1896986 is 6896981.

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 219961 = 1295^2 + 469^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1896986.

It is not an unprimeable number, because it can be changed into a prime (1896989) 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 11 ways as a sum of consecutive naturals, for example, 530 + ... + 2018.

2^1896986 is an apocalyptic number.

1896986 is a deficient number, since it is larger than the sum of its proper divisors (1670074).

1896986 is a wasteful number, since it uses less digits than its factorization.

1896986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1511 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 1896986 is about 1377.3111485790. The cubic root of 1896986 is about 123.7907066030.

It can be divided in two parts, 1896 and 986, that added together give a palindrome (2882).

The spelling of 1896986 in words is "one million, eight hundred ninety-six thousand, nine hundred eighty-six".