636341 has 8 divisors (see below), whose sum is σ = 674880. Its totient is φ = 598752.

The previous prime is 636331. The next prime is 636343. The reversal of 636341 is 143636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 636341 - 2⁶ = 636277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (84360).

2⁶³⁶³⁴¹ is an apocalyptic number.

It is an amenable number.

636341 is a deficient number, since it is larger than the sum of its proper divisors (38539).

636341 is a wasteful number, since it uses less digits than its factorization.

636341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its digits is 1296, while the sum is 23.

The square root of 636341 is about 797.7098469995. The cubic root of 636341 is about 86.0128428630.

Adding to 636341 its reverse (143636), we get a palindrome (779977).

The spelling of 636341 in words is "six hundred thirty-six thousand, three hundred forty-one".