2184406 has 16 divisors (see below), whose sum is σ = 3846816. Its totient is φ = 910656.

The previous prime is 2184397. The next prime is 2184407. The reversal of 2184406 is 6044812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184407) 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, 1591 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (240426).

2^2184406 is an apocalyptic number.

2184406 is a deficient number, since it is larger than the sum of its proper divisors (1662410).

2184406 is a wasteful number, since it uses less digits than its factorization.

2184406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2184406 is about 1477.9736127550. The cubic root of 2184406 is about 129.7511214716.

It can be divided in two parts, 218 and 4406, that added together give a square (4624 = 68²).

The spelling of 2184406 in words is "two million, one hundred eighty-four thousand, four hundred six".