345656808 has 112 divisors (see below), whose sum is σ = 1110662880. Its totient is φ = 98747424.

The previous prime is 345656783. The next prime is 345656809. The reversal of 345656808 is 808656543.

345656808 is a `hidden beast` number, since 3 + 4 + 565 + 6 + 80 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (345656809) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 36591 + ... + 45057.

Almost surely, 2^345656808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345656808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555331440).

345656808 is an abundant number, since it is smaller than the sum of its proper divisors (765006072).

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

345656808 is an equidigital number, since it uses as much as digits as its factorization.

345656808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8498 (or 8479 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 345656808 is about 18591.8478909440. The cubic root of 345656808 is about 701.8027058978.

The spelling of 345656808 in words is "three hundred forty-five million, six hundred fifty-six thousand, eight hundred eight".