210450216 has 64 divisors (see below), whose sum is σ = 552513600. Its totient is φ = 66705408.

The previous prime is 210450193. The next prime is 210450223. The reversal of 210450216 is 612054012.

It is a junction number, because it is equal to n+sod(n) for n = 210450192 and 210450201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44376 + ... + 48888.

It is an arithmetic number, because the mean of its divisors is an integer number (8633025).

Almost surely, 2^210450216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210450216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276256800).

210450216 is an abundant number, since it is smaller than the sum of its proper divisors (342063384).

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

210450216 is a wasteful number, since it uses less digits than its factorization.

210450216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 210450216 is about 14506.9023571540. The cubic root of 210450216 is about 594.8166617302.

The spelling of 210450216 in words is "two hundred ten million, four hundred fifty thousand, two hundred sixteen".