353649216 has 28 divisors (see below), whose sum is σ = 935697392. Its totient is φ = 117883008.

The previous prime is 353649187. The next prime is 353649217. The reversal of 353649216 is 612946353.

353649216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (353649217) 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, 920770 + ... + 921153.

It is an arithmetic number, because the mean of its divisors is an integer number (33417764).

Almost surely, 2^353649216 is an apocalyptic number.

It is an amenable number.

353649216 is an abundant number, since it is smaller than the sum of its proper divisors (582048176).

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

353649216 is a wasteful number, since it uses less digits than its factorization.

353649216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841938 (or 1841928 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 353649216 is about 18805.5634321336. The cubic root of 353649216 is about 707.1706590203.

The spelling of 353649216 in words is "three hundred fifty-three million, six hundred forty-nine thousand, two hundred sixteen".