216084452 has 12 divisors (see below), whose sum is σ = 391187580. Its totient is φ = 104316576.

The previous prime is 216084431. The next prime is 216084457. The reversal of 216084452 is 254480612.

It can be written as a sum of positive squares in 2 ways, for example, as 153611236 + 62473216 = 12394^2 + 7904^2 .

It is a super-2 number, since 2×216084452² = 93384980792280608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216084457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931283 + ... + 931514.

It is an arithmetic number, because the mean of its divisors is an integer number (32598965).

Almost surely, 2^216084452 is an apocalyptic number.

It is an amenable number.

216084452 is a deficient number, since it is larger than the sum of its proper divisors (175103128).

216084452 is a wasteful number, since it uses less digits than its factorization.

216084452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862830 (or 1862828 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 216084452 is about 14699.8112913057. The cubic root of 216084452 is about 600.0781861074.

The spelling of 216084452 in words is "two hundred sixteen million, eighty-four thousand, four hundred fifty-two".