21848106 has 16 divisors (see below), whose sum is σ = 49938624. Its totient is φ = 6242304.

The previous prime is 21848089. The next prime is 21848117. The reversal of 21848106 is 60184812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260055 + ... + 260138.

It is an arithmetic number, because the mean of its divisors is an integer number (3121164).

Almost surely, 2^21848106 is an apocalyptic number.

21848106 is an abundant number, since it is smaller than the sum of its proper divisors (28090518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21848106 is a wasteful number, since it uses less digits than its factorization.

21848106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520205.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 21848106 is about 4674.1957597003. The cubic root of 21848106 is about 279.5575751071.

The spelling of 21848106 in words is "twenty-one million, eight hundred forty-eight thousand, one hundred six".