216694032 has 40 divisors (see below), whose sum is σ = 579099840. Its totient is φ = 69740160.

The previous prime is 216693947. The next prime is 216694057. The reversal of 216694032 is 230496612.

216694032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216693984 and 216694002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76444 + ... + 79227.

It is an arithmetic number, because the mean of its divisors is an integer number (14477496).

Almost surely, 2^216694032 is an apocalyptic number.

It is an amenable number.

216694032 is an abundant number, since it is smaller than the sum of its proper divisors (362405808).

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

216694032 is a wasteful number, since it uses less digits than its factorization.

216694032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155711 (or 155705 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 216694032 is about 14720.5309686845. The cubic root of 216694032 is about 600.6419351760.

The spelling of 216694032 in words is "two hundred sixteen million, six hundred ninety-four thousand, thirty-two".