5404320 has 144 divisors (see below), whose sum is σ = 19262880. Its totient is φ = 1430784.

The previous prime is 5404319. The next prime is 5404327. The reversal of 5404320 is 234045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5404293 and 5404302.

It is not an unprimeable number, because it can be changed into a prime (5404327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38811 + ... + 38949.

It is an arithmetic number, because the mean of its divisors is an integer number (133770).

Almost surely, 2^5404320 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 5404320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9631440).

5404320 is an abundant number, since it is smaller than the sum of its proper divisors (13858560).

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

5404320 is a wasteful number, since it uses less digits than its factorization.

5404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 5404320 is about 2324.7193378987. The cubic root of 5404320 is about 175.4878361063.

Adding to 5404320 its reverse (234045), we get a palindrome (5638365).

The spelling of 5404320 in words is "five million, four hundred four thousand, three hundred twenty".