1002444406 has 8 divisors (see below), whose sum is σ = 1592117640. Its totient is φ = 471738528.

The previous prime is 1002444353. The next prime is 1002444407. The reversal of 1002444406 is 6044442001.

1002444406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444407) 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, 14741796 + ... + 14741863.

It is an arithmetic number, because the mean of its divisors is an integer number (199014705).

Almost surely, 2^1002444406 is an apocalyptic number.

1002444406 is a deficient number, since it is larger than the sum of its proper divisors (589673234).

1002444406 is a wasteful number, since it uses less digits than its factorization.

1002444406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29483678.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1002444406 is about 31661.4024641992. The cubic root of 1002444406 is about 1000.8141389978.

Adding to 1002444406 its reverse (6044442001), we get a palindrome (7046886407).

The spelling of 1002444406 in words is "one billion, two million, four hundred forty-four thousand, four hundred six".