345280808 has 8 divisors (see below), whose sum is σ = 647401530. Its totient is φ = 172640400.

The previous prime is 345280799. The next prime is 345280811. The reversal of 345280808 is 808082543.

It can be written as a sum of positive squares in only one way, i.e., 321054724 + 24226084 = 17918^2 + 4922^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21580043 + ... + 21580058.

Almost surely, 2^345280808 is an apocalyptic number.

It is an amenable number.

345280808 is a deficient number, since it is larger than the sum of its proper divisors (302120722).

345280808 is a wasteful number, since it uses less digits than its factorization.

345280808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43160107 (or 43160103 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 345280808 is about 18581.7331807342. The cubic root of 345280808 is about 701.5481436172.

The spelling of 345280808 in words is "three hundred forty-five million, two hundred eighty thousand, eight hundred eight".