8403648 has 112 divisors (see below), whose sum is σ = 25456896. Its totient is φ = 2421760.

The previous prime is 8403641. The next prime is 8403677. The reversal of 8403648 is 8463048.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8403641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48490 + ... + 48662.

Almost surely, 2^8403648 is an apocalyptic number.

8403648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8403648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12728448).

8403648 is an abundant number, since it is smaller than the sum of its proper divisors (17053248).

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

8403648 is a wasteful number, since it uses less digits than its factorization.

8403648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 8403648 is about 2898.9046207145. The cubic root of 8403648 is about 203.3086941986.

The spelling of 8403648 in words is "eight million, four hundred three thousand, six hundred forty-eight".