216849092 has 12 divisors (see below), whose sum is σ = 391727616. Its totient is φ = 104926920.

The previous prime is 216849091. The next prime is 216849103. The reversal of 216849092 is 290948612.

It is not an unprimeable number, because it can be changed into a prime (216849091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874268 + ... + 874515.

It is an arithmetic number, because the mean of its divisors is an integer number (32643968).

Almost surely, 2^216849092 is an apocalyptic number.

It is an amenable number.

216849092 is a deficient number, since it is larger than the sum of its proper divisors (174878524).

216849092 is a wasteful number, since it uses less digits than its factorization.

216849092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748818 (or 1748816 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 216849092 is about 14725.7968205459. The cubic root of 216849092 is about 600.7851683658.

The spelling of 216849092 in words is "two hundred sixteen million, eight hundred forty-nine thousand, ninety-two".