361636 has 12 divisors (see below), whose sum is σ = 690480. Its totient is φ = 164360.

The previous prime is 361577. The next prime is 361637. The reversal of 361636 is 636163.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 361636.

It is not an unprimeable number, because it can be changed into a prime (361637) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4066 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (57540).

2³⁶¹⁶³⁶ is an apocalyptic number.

It is an amenable number.

361636 is a deficient number, since it is larger than the sum of its proper divisors (328844).

361636 is a wasteful number, since it uses less digits than its factorization.

361636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8234 (or 8232 counting only the distinct ones).

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

The square root of 361636 is about 601.3617879447. The cubic root of 361636 is about 71.2454639566.

Adding to 361636 its reverse (636163), we get a palindrome (997799).

The spelling of 361636 in words is "three hundred sixty-one thousand, six hundred thirty-six".