345331408 has 20 divisors (see below), whose sum is σ = 669435328. Its totient is φ = 172573920.

The previous prime is 345331381. The next prime is 345331417. The reversal of 345331408 is 804133543.

It is a self number, because there is not a number n which added to its sum of digits gives 345331408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33385 + ... + 42487.

Almost surely, 2^345331408 is an apocalyptic number.

It is an amenable number.

345331408 is a deficient number, since it is larger than the sum of its proper divisors (324103920).

345331408 is a wasteful number, since it uses less digits than its factorization.

345331408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482 (or 11476 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 345331408 is about 18583.0946830715. The cubic root of 345331408 is about 701.5824119589.

The spelling of 345331408 in words is "three hundred forty-five million, three hundred thirty-one thousand, four hundred eight".