346815228 has 48 divisors (see below), whose sum is σ = 855751680. Its totient is φ = 109142400.

The previous prime is 346815223. The next prime is 346815239. The reversal of 346815228 is 822518643.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346815223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3883 + ... + 26621.

It is an arithmetic number, because the mean of its divisors is an integer number (17828160).

Almost surely, 2^346815228 is an apocalyptic number.

It is an amenable number.

346815228 is an abundant number, since it is smaller than the sum of its proper divisors (508936452).

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

346815228 is a wasteful number, since it uses less digits than its factorization.

346815228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818 (or 22816 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 346815228 is about 18622.9758094672. The cubic root of 346815228 is about 702.5858292738.

The spelling of 346815228 in words is "three hundred forty-six million, eight hundred fifteen thousand, two hundred twenty-eight".