216089792 has 56 divisors (see below), whose sum is σ = 441966096. Its totient is φ = 104767488.

The previous prime is 216089791. The next prime is 216089827. The reversal of 216089792 is 297980612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (216089791) 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, 641048 + ... + 641384.

Almost surely, 2^216089792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216089792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220983048).

216089792 is an abundant number, since it is smaller than the sum of its proper divisors (225876304).

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

216089792 is a wasteful number, since it uses less digits than its factorization.

216089792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 216089792 is about 14699.9929251684. The cubic root of 216089792 is about 600.0831292228.

The spelling of 216089792 in words is "two hundred sixteen million, eighty-nine thousand, seven hundred ninety-two".