1324400 has 120 divisors (see below), whose sum is σ = 4059264. Its totient is φ = 403200.

The previous prime is 1324391. The next prime is 1324403. The reversal of 1324400 is 44231.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324403) 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, 30779 + ... + 30821.

2^1324400 is an apocalyptic number.

1324400 is a gapful number since it is divisible by the number (10) 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 1324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029632).

1324400 is an abundant number, since it is smaller than the sum of its proper divisors (2734864).

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

1324400 is a wasteful number, since it uses less digits than its factorization.

1324400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1324400 is about 1150.8257904653. The cubic root of 1324400 is about 109.8178804616.

Adding to 1324400 its reverse (44231), we get a palindrome (1368631).

The spelling of 1324400 in words is "one million, three hundred twenty-four thousand, four hundred".