216804702 has 16 divisors (see below), whose sum is σ = 442835712. Its totient is φ = 70730520.

The previous prime is 216804701. The next prime is 216804713. The reversal of 216804702 is 207408612.

216804702 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 216804702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216804701) 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, 384124 + ... + 384687.

It is an arithmetic number, because the mean of its divisors is an integer number (27677232).

Almost surely, 2^216804702 is an apocalyptic number.

216804702 is an abundant number, since it is smaller than the sum of its proper divisors (226031010).

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

216804702 is a wasteful number, since it uses less digits than its factorization.

216804702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768863.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 216804702 is about 14724.2895244558. The cubic root of 216804702 is about 600.7441710785.

The spelling of 216804702 in words is "two hundred sixteen million, eight hundred four thousand, seven hundred two".