104827821 has 8 divisors (see below), whose sum is σ = 159737664. Its totient is φ = 59901600.

The previous prime is 104827819. The next prime is 104827847. The reversal of 104827821 is 128728401.

It is a happy number.

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

It is not a de Polignac number, because 104827821 - 2¹ = 104827819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104827871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495880 + ... + 2495921.

It is an arithmetic number, because the mean of its divisors is an integer number (19967208).

Almost surely, 2^104827821 is an apocalyptic number.

It is an amenable number.

104827821 is a deficient number, since it is larger than the sum of its proper divisors (54909843).

104827821 is an equidigital number, since it uses as much as digits as its factorization.

104827821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991811.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 104827821 is about 10238.5458440152. The cubic root of 104827821 is about 471.5113877989.

The spelling of 104827821 in words is "one hundred four million, eight hundred twenty-seven thousand, eight hundred twenty-one".