636802 has 8 divisors (see below), whose sum is σ = 986112. Its totient is φ = 308100.

The previous prime is 636781. The next prime is 636809. The reversal of 636802 is 208636.

636802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (636809) by changing a digit.

636802 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 3 ways as a sum of consecutive naturals, for example, 5074 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (123264).

2⁶³⁶⁸⁰² is an apocalyptic number.

636802 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

636802 is a deficient number, since it is larger than the sum of its proper divisors (349310).

636802 is a wasteful number, since it uses less digits than its factorization.

636802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 636802 is about 797.9987468662. The cubic root of 636802 is about 86.0336086416.

The spelling of 636802 in words is "six hundred thirty-six thousand, eight hundred two".