8381448 has 32 divisors (see below), whose sum is σ = 23282400. Its totient is φ = 2793744.

The previous prime is 8381447. The next prime is 8381449. The reversal of 8381448 is 8441838.

It is an interprime number because it is at equal distance from previous prime (8381447) and next prime (8381449).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (8381447) 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, 19186 + ... + 19617.

It is an arithmetic number, because the mean of its divisors is an integer number (727575).

Almost surely, 2^8381448 is an apocalyptic number.

It is an amenable number.

8381448 is an abundant number, since it is smaller than the sum of its proper divisors (14900952).

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

8381448 is a wasteful number, since it uses less digits than its factorization.

8381448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38818 (or 38808 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 8381448 is about 2895.0730560730. The cubic root of 8381448 is about 203.1295087914.

The spelling of 8381448 in words is "eight million, three hundred eighty-one thousand, four hundred forty-eight".