63826 has 16 divisors (see below), whose sum is σ = 112896. Its totient is φ = 26496.

The previous prime is 63823. The next prime is 63839. The reversal of 63826 is 62836.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 63826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63823) 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, 610 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (7056).

2⁶³⁸²⁶ is an apocalyptic number.

63826 is a deficient number, since it is larger than the sum of its proper divisors (49070).

63826 is a wasteful number, since it uses less digits than its factorization.

63826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

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

The square root of 63826 is about 252.6380810567. The cubic root of 63826 is about 39.9637170987.

Subtracting from 63826 its reverse (62836), we obtain a triangular number (990 = T₄₄).

The spelling of 63826 in words is "sixty-three thousand, eight hundred twenty-six".