216048408 has 32 divisors (see below), whose sum is σ = 545175360. Its totient is φ = 71342240.

The previous prime is 216048403. The next prime is 216048433. The reversal of 216048408 is 804840612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216048403) by changing a digit.

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, 39498 + ... + 44633.

It is an arithmetic number, because the mean of its divisors is an integer number (17036730).

Almost surely, 2^216048408 is an apocalyptic number.

It is an amenable number.

216048408 is an abundant number, since it is smaller than the sum of its proper divisors (329126952).

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

216048408 is a wasteful number, since it uses less digits than its factorization.

216048408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84247 (or 84243 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 216048408 is about 14698.5852380425. The cubic root of 216048408 is about 600.0448188743.

The spelling of 216048408 in words is "two hundred sixteen million, forty-eight thousand, four hundred eight".