349827216 has 40 divisors (see below), whose sum is σ = 912024960. Its totient is φ = 115537536.

The previous prime is 349827161. The next prime is 349827229. The reversal of 349827216 is 612728943.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28200 + ... + 38663.

It is an arithmetic number, because the mean of its divisors is an integer number (22800624).

Almost surely, 2^349827216 is an apocalyptic number.

It is an amenable number.

349827216 is an abundant number, since it is smaller than the sum of its proper divisors (562197744).

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

349827216 is a wasteful number, since it uses less digits than its factorization.

349827216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66983 (or 66977 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 349827216 is about 18703.6685171653. The cubic root of 349827216 is about 704.6138864548.

The spelling of 349827216 in words is "three hundred forty-nine million, eight hundred twenty-seven thousand, two hundred sixteen".