928280243 has 8 divisors (see below), whose sum is σ = 1027784640. Its totient is φ = 831295080.

The previous prime is 928280233. The next prime is 928280261. The reversal of 928280243 is 342082829.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-928280243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 928280197 and 928280206.

It is not an unprimeable number, because it can be changed into a prime (928280233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629033 + ... + 630506.

It is an arithmetic number, because the mean of its divisors is an integer number (128473080).

Almost surely, 2^928280243 is an apocalyptic number.

928280243 is a deficient number, since it is larger than the sum of its proper divisors (99504397).

928280243 is a wasteful number, since it uses less digits than its factorization.

928280243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259617.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 928280243 is about 30467.6917898288. The cubic root of 928280243 is about 975.4979680238.

The spelling of 928280243 in words is "nine hundred twenty-eight million, two hundred eighty thousand, two hundred forty-three".