421848 has 96 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 116640.

The previous prime is 421847. The next prime is 421891. The reversal of 421848 is 848124.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13593 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (14560).

2⁴²¹⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698880).

421848 is an abundant number, since it is smaller than the sum of its proper divisors (975912).

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

421848 is a wasteful number, since it uses less digits than its factorization.

421848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 43 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 421848 is about 649.4982678961. The cubic root of 421848 is about 74.9983999659.

Adding to 421848 its sum of digits (27), we get a cube (421875 = 75³).

Subtracting from 421848 its sum of digits (27), we obtain a triangular number (421821 = T₉₁₈).

The spelling of 421848 in words is "four hundred twenty-one thousand, eight hundred forty-eight".