1424000 has 64 divisors (see below), whose sum is σ = 3580200. Its totient is φ = 563200.

The previous prime is 1423997. The next prime is 1424021. The reversal of 1424000 is 4241.

It can be written as a sum of positive squares in 4 ways, for example, as 222784 + 1201216 = 472^2 + 1096^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15956 + ... + 16044.

2^1424000 is an apocalyptic number.

1424000 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 1424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790100).

1424000 is an abundant number, since it is smaller than the sum of its proper divisors (2156200).

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

1424000 is an frugal number, since it uses more digits than its factorization.

1424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1424000 is about 1193.3147112141. The cubic root of 1424000 is about 112.5045265668.

Adding to 1424000 its reverse (4241), we get a palindrome (1428241).

The spelling of 1424000 in words is "one million, four hundred twenty-four thousand".