1244406 has 8 divisors (see below), whose sum is σ = 2488824. Its totient is φ = 414800.

The previous prime is 1244401. The next prime is 1244423. The reversal of 1244406 is 6044421.

It is a sphenic number, since it is the product of 3 distinct primes.

1244406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103695 + ... + 103706.

It is an arithmetic number, because the mean of its divisors is an integer number (311103).

2^1244406 is an apocalyptic number.

1244406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1244406 is a wasteful number, since it uses less digits than its factorization.

1244406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207406.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1244406 is about 1115.5294706999. The cubic root of 1244406 is about 107.5608020920.

Adding to 1244406 its reverse (6044421), we get a palindrome (7288827).

The spelling of 1244406 in words is "one million, two hundred forty-four thousand, four hundred six".