1424663 has 4 divisors (see below), whose sum is σ = 1435200.
Its totient is φ = 1414128.
The previous prime is 1424659. The next prime is 1424681. The reversal of 1424663 is 3664241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3664241 = 7 ⋅523463.
It is a cyclic number.
It is not a de Polignac number, because 1424663 - 22 = 1424659 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1424603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063 + ... + 5336.
It is an arithmetic number, because the mean of its divisors is an integer number (358800).
21424663 is an apocalyptic number.
1424663 is a deficient number, since it is larger than the sum of its proper divisors (10537).
1424663 is a wasteful number, since it uses less digits than its factorization.
1424663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10536.
The product of its digits is 3456, while the sum is 26.
The square root of 1424663 is about 1193.5924765178.
The cubic root of 1424663 is about 112.5219841810.
The spelling of 1424663 in words is "one million, four hundred twenty-four thousand, six hundred sixty-three".