1868312 has 16 divisors (see below), whose sum is σ = 3517800. Its totient is φ = 930240.

The previous prime is 1868309. The next prime is 1868333. The reversal of 1868312 is 2138681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987 + ... + 3557.

2^1868312 is an apocalyptic number.

It is an amenable number.

1868312 is a deficient number, since it is larger than the sum of its proper divisors (1649488).

1868312 is a wasteful number, since it uses less digits than its factorization.

1868312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 982 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1868312 is about 1366.8620998477. The cubic root of 1868312 is about 123.1638154824.

The spelling of 1868312 in words is "one million, eight hundred sixty-eight thousand, three hundred twelve".