2630216 has 8 divisors (see below), whose sum is σ = 4931670. Its totient is φ = 1315104.

The previous prime is 2630207. The next prime is 2630237. The reversal of 2630216 is 6120362.

It can be written as a sum of positive squares in only one way, i.e., 2390116 + 240100 = 1546^2 + 490^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164381 + ... + 164396.

2^2630216 is an apocalyptic number.

It is an amenable number.

2630216 is a deficient number, since it is larger than the sum of its proper divisors (2301454).

2630216 is a wasteful number, since it uses less digits than its factorization.

2630216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328783 (or 328779 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2630216 is about 1621.7940683083. The cubic root of 2630216 is about 138.0375169298.

Adding to 2630216 its reverse (6120362), we get a palindrome (8750578).

The spelling of 2630216 in words is "two million, six hundred thirty thousand, two hundred sixteen".