345270824 has 16 divisors (see below), whose sum is σ = 650740020. Its totient is φ = 171740160.

The previous prime is 345270811. The next prime is 345270829. The reversal of 345270824 is 428072543.

It can be written as a sum of positive squares in 2 ways, for example, as 343360900 + 1909924 = 18530^2 + 1382^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (345270829) by changing a digit.

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, 110267 + ... + 113354.

Almost surely, 2^345270824 is an apocalyptic number.

It is an amenable number.

345270824 is a deficient number, since it is larger than the sum of its proper divisors (305469196).

345270824 is a wasteful number, since it uses less digits than its factorization.

345270824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223820 (or 223816 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 345270824 is about 18581.4645278568. The cubic root of 345270824 is about 701.5413816580.

The spelling of 345270824 in words is "three hundred forty-five million, two hundred seventy thousand, eight hundred twenty-four".