349918228 has 24 divisors (see below), whose sum is σ = 697072320. Its totient is φ = 152137920.

The previous prime is 349918201. The next prime is 349918241. The reversal of 349918228 is 822819943.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 171873 + ... + 173896.

It is an arithmetic number, because the mean of its divisors is an integer number (29044680).

Almost surely, 2^349918228 is an apocalyptic number.

It is an amenable number.

349918228 is a deficient number, since it is larger than the sum of its proper divisors (347154092).

349918228 is a wasteful number, since it uses less digits than its factorization.

349918228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345807 (or 345805 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 349918228 is about 18706.1013575785. The cubic root of 349918228 is about 704.6749859116.

The spelling of 349918228 in words is "three hundred forty-nine million, nine hundred eighteen thousand, two hundred twenty-eight".