343636 has 6 divisors (see below), whose sum is σ = 601370. Its totient is φ = 171816.

The previous prime is 343631. The next prime is 343639. The reversal of 343636 is 636343.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 93636 = 500^2 + 306^2 .

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 343636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42951 + ... + 42958.

2³⁴³⁶³⁶ is an apocalyptic number.

It is an amenable number.

343636 is a deficient number, since it is larger than the sum of its proper divisors (257734).

343636 is a wasteful number, since it uses less digits than its factorization.

343636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85913 (or 85911 counting only the distinct ones).

The product of its digits is 3888, while the sum is 25.

The square root of 343636 is about 586.2047423896. The cubic root of 343636 is about 70.0432385924.

Adding to 343636 its reverse (636343), we get a palindrome (979979).

It can be divided in two parts, 343 and 636, that added together give a palindrome (979).

The spelling of 343636 in words is "three hundred forty-three thousand, six hundred thirty-six".