21848126 has 8 divisors (see below), whose sum is σ = 33309624. Its totient is φ = 10744920.

The previous prime is 21848117. The next prime is 21848129. The reversal of 21848126 is 62184812.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21848092 and 21848101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21848129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89420 + ... + 89663.

It is an arithmetic number, because the mean of its divisors is an integer number (4163703).

Almost surely, 2^21848126 is an apocalyptic number.

21848126 is a deficient number, since it is larger than the sum of its proper divisors (11461498).

21848126 is a wasteful number, since it uses less digits than its factorization.

21848126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179146.

The product of its digits is 6144, while the sum is 32.

The square root of 21848126 is about 4674.1978991053. The cubic root of 21848126 is about 279.5576604104.

The spelling of 21848126 in words is "twenty-one million, eight hundred forty-eight thousand, one hundred twenty-six".