2403648 has 112 divisors (see below), whose sum is σ = 7680960. Its totient is φ = 732672.

The previous prime is 2403629. The next prime is 2403659. The reversal of 2403648 is 8463042.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22411 + ... + 22517.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2^2403648 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 2403648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3840480).

2403648 is an abundant number, since it is smaller than the sum of its proper divisors (5277312).

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

2403648 is a wasteful number, since it uses less digits than its factorization.

2403648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2403648 is about 1550.3702783529. The cubic root of 2403648 is about 133.9543915475.

The spelling of 2403648 in words is "two million, four hundred three thousand, six hundred forty-eight".