216894360 has 32 divisors (see below), whose sum is σ = 650683440. Its totient is φ = 57838464.

The previous prime is 216894311. The next prime is 216894361. The reversal of 216894360 is 63498612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216894361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903607 + ... + 903846.

Almost surely, 2^216894360 is an apocalyptic number.

216894360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216894360 is an abundant number, since it is smaller than the sum of its proper divisors (433789080).

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

216894360 is a wasteful number, since it uses less digits than its factorization.

216894360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807467 (or 1807463 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 216894360 is about 14727.3337709173. Note that the first 3 decimals coincide. The cubic root of 216894360 is about 600.8269707863.

The spelling of 216894360 in words is "two hundred sixteen million, eight hundred ninety-four thousand, three hundred sixty".