8821406 has 16 divisors (see below), whose sum is σ = 14611968. Its totient is φ = 3960600.

The previous prime is 8821399. The next prime is 8821427. The reversal of 8821406 is 6041288.

8821406 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (913248).

Almost surely, 2^8821406 is an apocalyptic number.

8821406 is a deficient number, since it is larger than the sum of its proper divisors (5790562).

8821406 is a wasteful number, since it uses less digits than its factorization.

8821406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8821406 is about 2970.0851839636. The cubic root of 8821406 is about 206.6232889651.

The spelling of 8821406 in words is "eight million, eight hundred twenty-one thousand, four hundred six".