1063636 has 12 divisors (see below), whose sum is σ = 2127328. Its totient is φ = 455832.

The previous prime is 1063627. The next prime is 1063637. The reversal of 1063636 is 6363601.

1063636 is an admirable number.

It is a super-2 number, since 2×1063636² = 2262643080992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18966 + ... + 19021.

2^1063636 is an apocalyptic number.

It is an amenable number.

1063636 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.

1063636 is a wasteful number, since it uses less digits than its factorization.

1063636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37998 (or 37996 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1063636 is about 1031.3273001332. The cubic root of 1063636 is about 102.0777313414.

Subtracting from 1063636 its sum of digits (25), we obtain a triangular number (1063611 = T₁₄₅₈).

The spelling of 1063636 in words is "one million, sixty-three thousand, six hundred thirty-six".