216925276 has 12 divisors (see below), whose sum is σ = 380834272. Its totient is φ = 108115488.

The previous prime is 216925199. The next prime is 216925277. The reversal of 216925276 is 672529612.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216925277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85380 + ... + 87883.

Almost surely, 2^216925276 is an apocalyptic number.

It is an amenable number.

216925276 is a deficient number, since it is larger than the sum of its proper divisors (163908996).

216925276 is a wasteful number, since it uses less digits than its factorization.

216925276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173580 (or 173578 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 216925276 is about 14728.3833464505. The cubic root of 216925276 is about 600.8555166095.

The spelling of 216925276 in words is "two hundred sixteen million, nine hundred twenty-five thousand, two hundred seventy-six".