421248 has 32 divisors (see below), whose sum is σ = 1119960. Its totient is φ = 140288.

The previous prime is 421241. The next prime is 421273. The reversal of 421248 is 842124.

It is a tau number, because it is divible by the number of its divisors (32).

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 (421241) by changing a digit.

421248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165 + ... + 932.

2⁴²¹²⁴⁸ is an apocalyptic number.

421248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

421248 is an abundant number, since it is smaller than the sum of its proper divisors (698712).

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

421248 is a wasteful number, since it uses less digits than its factorization.

421248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1102 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 421248 is about 649.0362085431. The cubic root of 421248 is about 74.9628260221.

The spelling of 421248 in words is "four hundred twenty-one thousand, two hundred forty-eight".