5663904 has 48 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 1840640.

The previous prime is 5663897. The next prime is 5663909. The reversal of 5663904 is 4093665.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (5663909) 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, 3217 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^5663904 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 5663904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

5663904 is an abundant number, since it is smaller than the sum of its proper divisors (9577056).

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

5663904 is a wasteful number, since it uses less digits than its factorization.

5663904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 5663904 is about 2379.8957960381. The cubic root of 5663904 is about 178.2537306438.

The spelling of 5663904 in words is "five million, six hundred sixty-three thousand, nine hundred four".