1361636 has 6 divisors (see below), whose sum is σ = 2382870. Its totient is φ = 680816.

The previous prime is 1361629. The next prime is 1361677. The reversal of 1361636 is 6361631.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 52900 = 1144^2 + 230^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170201 + ... + 170208.

It is an arithmetic number, because the mean of its divisors is an integer number (397145).

2^1361636 is an apocalyptic number.

It is an amenable number.

1361636 is a deficient number, since it is larger than the sum of its proper divisors (1021234).

1361636 is a wasteful number, since it uses less digits than its factorization.

1361636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340413 (or 340411 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 1361636 is about 1166.8915973646. The cubic root of 1361636 is about 110.8375732199.

The spelling of 1361636 in words is "one million, three hundred sixty-one thousand, six hundred thirty-six".