345671688 has 16 divisors (see below), whose sum is σ = 864179280. Its totient is φ = 115223888.

The previous prime is 345671681. The next prime is 345671713. The reversal of 345671688 is 886176543.

It is not an unprimeable number, because it can be changed into a prime (345671681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7201470 + ... + 7201517.

It is an arithmetic number, because the mean of its divisors is an integer number (54011205).

Almost surely, 2^345671688 is an apocalyptic number.

It is an amenable number.

345671688 is an abundant number, since it is smaller than the sum of its proper divisors (518507592).

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

345671688 is a wasteful number, since it uses less digits than its factorization.

345671688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14402996 (or 14402992 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 345671688 is about 18592.2480620284. The cubic root of 345671688 is about 701.8127762664.

The spelling of 345671688 in words is "three hundred forty-five million, six hundred seventy-one thousand, six hundred eighty-eight".