8444406 has 16 divisors (see below), whose sum is σ = 17013744. Its totient is φ = 2793984.

The previous prime is 8444363. The next prime is 8444407. The reversal of 8444406 is 6044448.

8444406 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444407) 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, 4315 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (1063359).

Almost surely, 2^8444406 is an apocalyptic number.

8444406 is an abundant number, since it is smaller than the sum of its proper divisors (8569338).

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

8444406 is a wasteful number, since it uses less digits than its factorization.

8444406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 8444406 is about 2905.9260141993. The cubic root of 8444406 is about 203.6368491142.

The spelling of 8444406 in words is "eight million, four hundred forty-four thousand, four hundred six".