8840406 has 16 divisors (see below), whose sum is σ = 17731584. Its totient is φ = 2938344.

The previous prime is 8840401. The next prime is 8840407. The reversal of 8840406 is 6040488.

8840406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8840401) 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, 375 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (1108224).

Almost surely, 2^8840406 is an apocalyptic number.

8840406 is an abundant number, since it is smaller than the sum of its proper divisors (8891178).

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

8840406 is a wasteful number, since it uses less digits than its factorization.

8840406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8840406 is about 2973.2820249684. The cubic root of 8840406 is about 206.7715278928.

The spelling of 8840406 in words is "eight million, eight hundred forty thousand, four hundred six".