216863350 has 96 divisors (see below), whose sum is σ = 461220480. Its totient is φ = 75168000.

The previous prime is 216863347. The next prime is 216863351. The reversal of 216863350 is 53368612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216863351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1330369 + ... + 1330531.

It is an arithmetic number, because the mean of its divisors is an integer number (4804380).

Almost surely, 2^216863350 is an apocalyptic number.

216863350 is an abundant number, since it is smaller than the sum of its proper divisors (244357130).

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

216863350 is a wasteful number, since it uses less digits than its factorization.

216863350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 216863350 is about 14726.2809290058. The cubic root of 216863350 is about 600.7983354446.

The spelling of 216863350 in words is "two hundred sixteen million, eight hundred sixty-three thousand, three hundred fifty".