2006424 has 64 divisors (see below), whose sum is σ = 6374400. Its totient is φ = 572832.

The previous prime is 2006393. The next prime is 2006429. The reversal of 2006424 is 4246002.

2006424 is a `hidden beast` number, since 20 + 0 + 642 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2006397 and 2006406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (99600).

2^2006424 is an apocalyptic number.

2006424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2006424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3187200).

2006424 is an abundant number, since it is smaller than the sum of its proper divisors (4367976).

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

2006424 is a wasteful number, since it uses less digits than its factorization.

2006424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2006424 is about 1416.4829684821. The cubic root of 2006424 is about 126.1268563656.

The spelling of 2006424 in words is "two million, six thousand, four hundred twenty-four".