928480645 has 4 divisors (see below), whose sum is σ = 1114176780. Its totient is φ = 742784512.

The previous prime is 928480591. The next prime is 928480661. The reversal of 928480645 is 546084829.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 544242241 + 384238404 = 23329^2 + 19602^2 .

It is a cyclic number.

It is not a de Polignac number, because 928480645 - 2¹³ = 928472453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 928480595 and 928480604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92848060 + ... + 92848069.

It is an arithmetic number, because the mean of its divisors is an integer number (278544195).

Almost surely, 2^928480645 is an apocalyptic number.

It is an amenable number.

928480645 is a deficient number, since it is larger than the sum of its proper divisors (185696135).

928480645 is a wasteful number, since it uses less digits than its factorization.

928480645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185696134.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 928480645 is about 30470.9803747763. The cubic root of 928480645 is about 975.5681615094.

The spelling of 928480645 in words is "nine hundred twenty-eight million, four hundred eighty thousand, six hundred forty-five".