1798636 has 12 divisors (see below), whose sum is σ = 3597328. Its totient is φ = 770832.

The previous prime is 1798633. The next prime is 1798637. The reversal of 1798636 is 6368971.

1798636 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1798631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32091 + ... + 32146.

2^1798636 is an apocalyptic number.

It is an amenable number.

1798636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1798636 is a wasteful number, since it uses less digits than its factorization.

1798636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64248 (or 64246 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 1798636 is about 1341.1323573757. The cubic root of 1798636 is about 121.6133057635.

The spelling of 1798636 in words is "one million, seven hundred ninety-eight thousand, six hundred thirty-six".