1363636 has 6 divisors (see below), whose sum is σ = 2386370. Its totient is φ = 681816.

The previous prime is 1363631. The next prime is 1363673. The reversal of 1363636 is 6363631.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 571536 = 890^2 + 756^2 .

1363636 is a modest number, since divided by 3636 gives 136 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363631) 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 as a sum of consecutive naturals, namely, 170451 + ... + 170458.

2^1363636 is an apocalyptic number.

It is an amenable number.

1363636 is a deficient number, since it is larger than the sum of its proper divisors (1022734).

1363636 is a wasteful number, since it uses less digits than its factorization.

1363636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340913 (or 340911 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

The square root of 1363636 is about 1167.7482605425. The cubic root of 1363636 is about 110.8918135360.

The spelling of 1363636 in words is "one million, three hundred sixty-three thousand, six hundred thirty-six".