1423408 has 40 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 598080.

The previous prime is 1423403. The next prime is 1423417. The reversal of 1423408 is 8043241.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1423403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7863 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2^1423408 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 1423408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1423408 is an abundant number, since it is smaller than the sum of its proper divisors (1790672).

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

1423408 is a wasteful number, since it uses less digits than its factorization.

1423408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1423408 is about 1193.0666368648. The cubic root of 1423408 is about 112.4889338909.

Adding to 1423408 its reverse (8043241), we get a palindrome (9466649).

The spelling of 1423408 in words is "one million, four hundred twenty-three thousand, four hundred eight".