421662248 has 64 divisors (see below), whose sum is σ = 951936000. Its totient is φ = 174847680.

The previous prime is 421662247. The next prime is 421662253. The reversal of 421662248 is 842266124.

It is not an unprimeable number, because it can be changed into a prime (421662247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82586 + ... + 87542.

It is an arithmetic number, because the mean of its divisors is an integer number (14874000).

Almost surely, 2^421662248 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 421662248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475968000).

421662248 is an abundant number, since it is smaller than the sum of its proper divisors (530273752).

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

421662248 is a wasteful number, since it uses less digits than its factorization.

421662248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 4997 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 421662248 is about 20534.4161835685. The cubic root of 421662248 is about 749.8739035415.

The spelling of 421662248 in words is "four hundred twenty-one million, six hundred sixty-two thousand, two hundred forty-eight".