345803408 has 20 divisors (see below), whose sum is σ = 670312380. Its totient is φ = 172819584.

The previous prime is 345803383. The next prime is 345803431. The reversal of 345803408 is 804308543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105925264 + 239878144 = 10292^2 + 15488^2 .

It is an unprimeable number.

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, 43658 + ... + 50966.

It is an arithmetic number, because the mean of its divisors is an integer number (33515619).

Almost surely, 2^345803408 is an apocalyptic number.

It is an amenable number.

345803408 is a deficient number, since it is larger than the sum of its proper divisors (324508972).

345803408 is a wasteful number, since it uses less digits than its factorization.

345803408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274 (or 10268 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 345803408 is about 18595.7900611940. The cubic root of 345803408 is about 701.9019080858.

The spelling of 345803408 in words is "three hundred forty-five million, eight hundred three thousand, four hundred eight".