5623400 has 48 divisors (see below), whose sum is σ = 13511040. Its totient is φ = 2174400.

The previous prime is 5623393. The next prime is 5623403. The reversal of 5623400 is 43265.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (5623403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5747 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (281480).

Almost surely, 2^5623400 is an apocalyptic number.

5623400 is a gapful number since it is divisible by the number (50) 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 5623400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6755520).

5623400 is an abundant number, since it is smaller than the sum of its proper divisors (7887640).

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

5623400 is a wasteful number, since it uses less digits than its factorization.

5623400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 5623400 is about 2371.3709115193. The cubic root of 5623400 is about 177.8278013165.

Adding to 5623400 its reverse (43265), we get a palindrome (5666665).

The spelling of 5623400 in words is "five million, six hundred twenty-three thousand, four hundred".