345201928 has 32 divisors (see below), whose sum is σ = 660951000. Its totient is φ = 168975360.

The previous prime is 345201869. The next prime is 345201947. The reversal of 345201928 is 829102543.

It can be written as a sum of positive squares in 4 ways, for example, as 333354564 + 11847364 = 18258^2 + 3442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345201893 and 345201902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110208 + ... + 113296.

Almost surely, 2^345201928 is an apocalyptic number.

It is an amenable number.

345201928 is a deficient number, since it is larger than the sum of its proper divisors (315749072).

345201928 is a wasteful number, since it uses less digits than its factorization.

345201928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 345201928 is about 18579.6105448957. The cubic root of 345201928 is about 701.4947162514.

The spelling of 345201928 in words is "three hundred forty-five million, two hundred one thousand, nine hundred twenty-eight".