5591904 has 48 divisors (see below), whose sum is σ = 15160320. Its totient is φ = 1802880.

The previous prime is 5591903. The next prime is 5591917. The reversal of 5591904 is 4091955.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591903) 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, 2037 + ... + 3915.

It is an arithmetic number, because the mean of its divisors is an integer number (315840).

Almost surely, 2^5591904 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 5591904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7580160).

5591904 is an abundant number, since it is smaller than the sum of its proper divisors (9568416).

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

5591904 is a wasteful number, since it uses less digits than its factorization.

5591904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 5591904 is about 2364.7207023241. The cubic root of 5591904 is about 177.4951820421.

The spelling of 5591904 in words is "five million, five hundred ninety-one thousand, nine hundred four".