21104848 has 10 divisors (see below), whose sum is σ = 40890674. Its totient is φ = 10552416.

The previous prime is 21104843. The next prime is 21104849. The reversal of 21104848 is 84840112.

21104848 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in only one way, i.e., 17372224 + 3732624 = 4168^2 + 1932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659511 + ... + 659542.

Almost surely, 2^21104848 is an apocalyptic number.

It is an amenable number.

21104848 is a deficient number, since it is larger than the sum of its proper divisors (19785826).

21104848 is a wasteful number, since it uses less digits than its factorization.

21104848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319061 (or 1319055 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 21104848 is about 4594.0013060512. The cubic root of 21104848 is about 276.3508106509.

It can be divided in two parts, 21104 and 848, that added together give a cube (21952 = 28³).

The spelling of 21104848 in words is "twenty-one million, one hundred four thousand, eight hundred forty-eight".