3180216 has 32 divisors (see below), whose sum is σ = 8562960. Its totient is φ = 978432.

The previous prime is 3180209. The next prime is 3180223. The reversal of 3180216 is 6120813.

It is an interprime number because it is at equal distance from previous prime (3180209) and next prime (3180223).

It is a super-2 number, since 2×3180216² = 20227547613312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3180192 and 3180201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4785 + ... + 5408.

Almost surely, 2^3180216 is an apocalyptic number.

It is an amenable number.

3180216 is an abundant number, since it is smaller than the sum of its proper divisors (5382744).

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

3180216 is a wasteful number, since it uses less digits than its factorization.

3180216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215 (or 10211 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3180216 is about 1783.3160123769. The cubic root of 3180216 is about 147.0569449423.

The spelling of 3180216 in words is "three million, one hundred eighty thousand, two hundred sixteen".