216488950 has 24 divisors (see below), whose sum is σ = 404795520. Its totient is φ = 86138400.

The previous prime is 216488929. The next prime is 216488953. The reversal of 216488950 is 59884612.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 216488897 and 216488906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216488953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1785 + ... + 20884.

It is an arithmetic number, because the mean of its divisors is an integer number (16866480).

Almost surely, 2^216488950 is an apocalyptic number.

216488950 is a deficient number, since it is larger than the sum of its proper divisors (188306570).

216488950 is a wasteful number, since it uses less digits than its factorization.

216488950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22872 (or 22867 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 216488950 is about 14713.5634704853. The cubic root of 216488950 is about 600.4523903008.

The spelling of 216488950 in words is "two hundred sixteen million, four hundred eighty-eight thousand, nine hundred fifty".