345212688 has 20 divisors (see below), whose sum is σ = 891799568. Its totient is φ = 115070880.

The previous prime is 345212671. The next prime is 345212689. The reversal of 345212688 is 886212543.

It is not an unprimeable number, because it can be changed into a prime (345212689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3595918 + ... + 3596013.

Almost surely, 2^345212688 is an apocalyptic number.

It is an amenable number.

345212688 is an abundant number, since it is smaller than the sum of its proper divisors (546586880).

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

345212688 is a wasteful number, since it uses less digits than its factorization.

345212688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191942 (or 7191936 counting only the distinct ones).

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

The square root of 345212688 is about 18579.9001073741. The cubic root of 345212688 is about 701.5020047436.

The spelling of 345212688 in words is "three hundred forty-five million, two hundred twelve thousand, six hundred eighty-eight".