1424320 has 28 divisors (see below), whose sum is σ = 3392424. Its totient is φ = 569600.

The previous prime is 1424317. The next prime is 1424323. The reversal of 1424320 is 234241.

It is an interprime number because it is at equal distance from previous prime (1424317) and next prime (1424323).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1424294 and 1424303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (121158).

2^1424320 is an apocalyptic number.

1424320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424320 is an abundant number, since it is smaller than the sum of its proper divisors (1968104).

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

1424320 is an equidigital number, since it uses as much as digits as its factorization.

1424320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1424320 is about 1193.4487839870. The cubic root of 1424320 is about 112.5129532410.

Adding to 1424320 its reverse (234241), we get a palindrome (1658561).

The spelling of 1424320 in words is "one million, four hundred twenty-four thousand, three hundred twenty".