21848001 has 8 divisors (see below), whose sum is σ = 33292224. Its totient is φ = 12484560.

The previous prime is 21847993. The next prime is 21848023. The reversal of 21848001 is 10084812.

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

It is not a de Polignac number, because 21848001 - 2³ = 21847993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21848041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520170 + ... + 520211.

It is an arithmetic number, because the mean of its divisors is an integer number (4161528).

Almost surely, 2^21848001 is an apocalyptic number.

21848001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21848001 is a deficient number, since it is larger than the sum of its proper divisors (11444223).

21848001 is a wasteful number, since it uses less digits than its factorization.

21848001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040391.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 21848001 is about 4674.1845278080. The cubic root of 21848001 is about 279.5571272636.

It can be divided in two parts, 2 and 1848001, that added together give a triangular number (1848003 = T₁₉₂₂).

The spelling of 21848001 in words is "twenty-one million, eight hundred forty-eight thousand, one".