216460984 has 8 divisors (see below), whose sum is σ = 405864360. Its totient is φ = 108230488.

The previous prime is 216460969. The next prime is 216460997. The reversal of 216460984 is 489064612.

216460984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13528804 + ... + 13528819.

It is an arithmetic number, because the mean of its divisors is an integer number (50733045).

Almost surely, 2^216460984 is an apocalyptic number.

It is an amenable number.

216460984 is a deficient number, since it is larger than the sum of its proper divisors (189403376).

216460984 is a wasteful number, since it uses less digits than its factorization.

216460984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27057629 (or 27057625 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 216460984 is about 14712.6130921737. The cubic root of 216460984 is about 600.4265337468.

The spelling of 216460984 in words is "two hundred sixteen million, four hundred sixty thousand, nine hundred eighty-four".