1424688 has 40 divisors (see below), whose sum is σ = 3743808. Its totient is φ = 466752.

The previous prime is 1424681. The next prime is 1424699. The reversal of 1424688 is 8864241.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1424681) 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 7 ways as a sum of consecutive naturals, for example, 2995 + ... + 3437.

2^1424688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871904).

1424688 is an abundant number, since it is smaller than the sum of its proper divisors (2319120).

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

1424688 is a wasteful number, since it uses less digits than its factorization.

1424688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 515 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 1424688 is about 1193.6029490580. The cubic root of 1424688 is about 112.5226423562.

It can be divided in two parts, 1424 and 688, that added together give a palindrome (2112).

The spelling of 1424688 in words is "one million, four hundred twenty-four thousand, six hundred eighty-eight".