1836368 has 10 divisors (see below), whose sum is σ = 3557994. Its totient is φ = 918176.

The previous prime is 1836319. The next prime is 1836379. The reversal of 1836368 is 8636381.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 8464 = 1352^2 + 92^2 .

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 57371 + ... + 57402.

2^1836368 is an apocalyptic number.

It is an amenable number.

1836368 is a deficient number, since it is larger than the sum of its proper divisors (1721626).

1836368 is a wasteful number, since it uses less digits than its factorization.

1836368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114781 (or 114775 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1836368 is about 1355.1265623550. The cubic root of 1836368 is about 122.4578336062.

The spelling of 1836368 in words is "one million, eight hundred thirty-six thousand, three hundred sixty-eight".