1424478 has 32 divisors (see below), whose sum is σ = 3151872. Its totient is φ = 425600.

The previous prime is 1424477. The next prime is 1424483. The reversal of 1424478 is 8744241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424471) 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 15 ways as a sum of consecutive naturals, for example, 7363 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2^1424478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575936).

1424478 is an abundant number, since it is smaller than the sum of its proper divisors (1727394).

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

1424478 is a wasteful number, since it uses less digits than its factorization.

1424478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 7168, while the sum is 30.

The square root of 1424478 is about 1193.5149768646. The cubic root of 1424478 is about 112.5171134460.

The spelling of 1424478 in words is "one million, four hundred twenty-four thousand, four hundred seventy-eight".