3061216 has 24 divisors (see below), whose sum is σ = 6066144. Its totient is φ = 1520640.

The previous prime is 3061187. The next prime is 3061229. The reversal of 3061216 is 6121603.

It is a junction number, because it is equal to n+sod(n) for n = 3061193 and 3061202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8496 + ... + 8848.

It is an arithmetic number, because the mean of its divisors is an integer number (252756).

Almost surely, 2^3061216 is an apocalyptic number.

It is an amenable number.

3061216 is a deficient number, since it is larger than the sum of its proper divisors (3004928).

3061216 is a wasteful number, since it uses less digits than its factorization.

3061216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3061216 is about 1749.6331043965. The cubic root of 3061216 is about 145.1993453160.

Adding to 3061216 its reverse (6121603), we get a palindrome (9182819).

It can be divided in two parts, 30612 and 16, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 3061216 in words is "three million, sixty-one thousand, two hundred sixteen".