2002816 has 16 divisors (see below), whose sum is σ = 3990240. Its totient is φ = 1001344.

The previous prime is 2002807. The next prime is 2002823. The reversal of 2002816 is 6182002.

2002816 = T₁₀₉ + T₁₁₀ + ... + T₂₃₆.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2002816² = 8022543859712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002793 and 2002802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7696 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (249390).

2^2002816 is an apocalyptic number.

It is an amenable number.

2002816 is a deficient number, since it is larger than the sum of its proper divisors (1987424).

2002816 is an equidigital number, since it uses as much as digits as its factorization.

2002816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15661 (or 15649 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2002816 is about 1415.2088185141. The cubic root of 2002816 is about 126.0512095530.

Adding to 2002816 its reverse (6182002), we get a palindrome (8184818).

The spelling of 2002816 in words is "two million, two thousand, eight hundred sixteen".