216258350 has 48 divisors (see below), whose sum is σ = 501503616. Its totient is φ = 67404000.

The previous prime is 216258349. The next prime is 216258353. The reversal of 216258350 is 53852612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216258353) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 24236 + ... + 31935.

It is an arithmetic number, because the mean of its divisors is an integer number (10447992).

Almost surely, 2^216258350 is an apocalyptic number.

216258350 is an abundant number, since it is smaller than the sum of its proper divisors (285245266).

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

216258350 is a wasteful number, since it uses less digits than its factorization.

216258350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56201 (or 56196 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 216258350 is about 14705.7250756296. The cubic root of 216258350 is about 600.2391176549.

The spelling of 216258350 in words is "two hundred sixteen million, two hundred fifty-eight thousand, three hundred fifty".