216334924 has 24 divisors (see below), whose sum is σ = 409661168. Its totient is φ = 99368640.

The previous prime is 216334903. The next prime is 216334933. The reversal of 216334924 is 429433612.

It is a happy number.

216334924 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216334924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114 + ... + 20830.

Almost surely, 2^216334924 is an apocalyptic number.

It is an amenable number.

216334924 is a deficient number, since it is larger than the sum of its proper divisors (193326244).

216334924 is a wasteful number, since it uses less digits than its factorization.

216334924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19945 (or 19943 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 216334924 is about 14708.3283890454. The cubic root of 216334924 is about 600.3099546674.

The spelling of 216334924 in words is "two hundred sixteen million, three hundred thirty-four thousand, nine hundred twenty-four".