421148 has 36 divisors (see below), whose sum is σ = 922320. Its totient is φ = 164736.

The previous prime is 421147. The next prime is 421159. The reversal of 421148 is 841124.

It is an Ulam number.

It is a zygodrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421148.

It is not an unprimeable number, because it can be changed into a prime (421147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (25620).

2⁴²¹¹⁴⁸ 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 421148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461160).

421148 is an abundant number, since it is smaller than the sum of its proper divisors (501172).

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

421148 is a wasteful number, since it uses less digits than its factorization.

421148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 111 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 421148 is about 648.9591666661. The cubic root of 421148 is about 74.9568937479.

The spelling of 421148 in words is "four hundred twenty-one thousand, one hundred forty-eight".