2006216 has 8 divisors (see below), whose sum is σ = 3761670. Its totient is φ = 1003104.

The previous prime is 2006201. The next prime is 2006231. The reversal of 2006216 is 6126002.

It is an interprime number because it is at equal distance from previous prime (2006201) and next prime (2006231).

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 729316 = 1130^2 + 854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2006194 and 2006203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125381 + ... + 125396.

2^2006216 is an apocalyptic number.

It is an amenable number.

2006216 is a deficient number, since it is larger than the sum of its proper divisors (1755454).

2006216 is a wasteful number, since it uses less digits than its factorization.

2006216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250783 (or 250779 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2006216 is about 1416.4095452940. The cubic root of 2006216 is about 126.1224978164.

It can be divided in two parts, 2006 and 216, that added together give a palindrome (2222).

The spelling of 2006216 in words is "two million, six thousand, two hundred sixteen".