636348 has 24 divisors (see below), whose sum is σ = 1563520. Its totient is φ = 200880.

The previous prime is 636343. The next prime is 636353. The reversal of 636348 is 843636.

It is an interprime number because it is at equal distance from previous prime (636343) and next prime (636353).

It is a d-powerful number, because it can be written as 6 + 3⁸ + 3¹² + 6² + 4⁸ + 8⁵ .

It is a nialpdrome in base 15.

It is a congruent number.

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

636348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 1623.

2⁶³⁶³⁴⁸ is an apocalyptic number.

It is an amenable number.

636348 is an abundant number, since it is smaller than the sum of its proper divisors (927172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

636348 is a wasteful number, since it uses less digits than its factorization.

636348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 636348 is about 797.7142345477. The cubic root of 636348 is about 86.0131582535.

The spelling of 636348 in words is "six hundred thirty-six thousand, three hundred forty-eight".