216473276 has 24 divisors (see below), whose sum is σ = 392454720. Its totient is φ = 104403200.

The previous prime is 216473269. The next prime is 216473293. The reversal of 216473276 is 672374612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181 + ... + 22011.

It is an arithmetic number, because the mean of its divisors is an integer number (16352280).

Almost surely, 2^216473276 is an apocalyptic number.

It is an amenable number.

216473276 is a deficient number, since it is larger than the sum of its proper divisors (175981444).

216473276 is a wasteful number, since it uses less digits than its factorization.

216473276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14965 (or 14963 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 216473276 is about 14713.0308230493. The cubic root of 216473276 is about 600.4378988484.

The spelling of 216473276 in words is "two hundred sixteen million, four hundred seventy-three thousand, two hundred seventy-six".