346789388 has 48 divisors (see below), whose sum is σ = 680672160. Its totient is φ = 154531520.

The previous prime is 346789351. The next prime is 346789447. The reversal of 346789388 is 883987643.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 281558 + ... + 282786.

It is an arithmetic number, because the mean of its divisors is an integer number (14180670).

Almost surely, 2^346789388 is an apocalyptic number.

It is an amenable number.

346789388 is a deficient number, since it is larger than the sum of its proper divisors (333882772).

346789388 is a wasteful number, since it uses less digits than its factorization.

346789388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1295 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 56.

The square root of 346789388 is about 18622.2820298695. The cubic root of 346789388 is about 702.5683797625.

The spelling of 346789388 in words is "three hundred forty-six million, seven hundred eighty-nine thousand, three hundred eighty-eight".