64826 has 4 divisors (see below), whose sum is σ = 97242. Its totient is φ = 32412.

The previous prime is 64817. The next prime is 64849. The reversal of 64826 is 62846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42025 + 22801 = 205^2 + 151^2 .

It is a plaindrome in base 7 and base 13.

It is a junction number, because it is equal to n+sod(n) for n = 64795 and 64804.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16205 + ... + 16208.

2⁶⁴⁸²⁶ is an apocalyptic number.

64826 is a deficient number, since it is larger than the sum of its proper divisors (32416).

64826 is a wasteful number, since it uses less digits than its factorization.

64826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32415.

The product of its digits is 2304, while the sum is 26.

The square root of 64826 is about 254.6095049286. The cubic root of 64826 is about 40.1713482794.

The spelling of 64826 in words is "sixty-four thousand, eight hundred twenty-six".