928509345 has 16 divisors (see below), whose sum is σ = 1650683520. Its totient is φ = 495204912.

The previous prime is 928509341. The next prime is 928509359. The reversal of 928509345 is 543905829.

It is not a de Polignac number, because 928509345 - 2² = 928509341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 928509345.

It is not an unprimeable number, because it can be changed into a prime (928509341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3438789 + ... + 3439058.

It is an arithmetic number, because the mean of its divisors is an integer number (103167720).

Almost surely, 2^928509345 is an apocalyptic number.

It is an amenable number.

928509345 is a deficient number, since it is larger than the sum of its proper divisors (722174175).

928509345 is a wasteful number, since it uses less digits than its factorization.

928509345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877861 (or 6877855 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 928509345 is about 30471.4513110223. The cubic root of 928509345 is about 975.5782132421.

The spelling of 928509345 in words is "nine hundred twenty-eight million, five hundred nine thousand, three hundred forty-five".