8138448 has 40 divisors (see below), whose sum is σ = 23361600. Its totient is φ = 2712672.

The previous prime is 8138443. The next prime is 8138467. The reversal of 8138448 is 8448318.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138443) 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, 8988 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (584040).

Almost surely, 2^8138448 is an apocalyptic number.

It is an amenable number.

8138448 is an abundant number, since it is smaller than the sum of its proper divisors (15223152).

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

8138448 is a wasteful number, since it uses less digits than its factorization.

8138448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18856 (or 18844 counting only the distinct ones).

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

The square root of 8138448 is about 2852.7965227124. The cubic root of 8138448 is about 201.1471410903.

It can be divided in two parts, 813 and 8448, that added together give a cube (9261 = 21³).

The spelling of 8138448 in words is "eight million, one hundred thirty-eight thousand, four hundred forty-eight".