928744231 has 2 divisors, whose sum is σ = 928744232. Its totient is φ = 928744230.

The previous prime is 928744217. The next prime is 928744241. The reversal of 928744231 is 132447829.

It is a strong prime.

It is an emirp because it is prime and its reverse (132447829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 928744231 - 2²¹ = 926647079 is a prime.

It is a super-2 number, since 2×928744231² = 1725131693231562722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928744211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464372115 + 464372116.

It is an arithmetic number, because the mean of its divisors is an integer number (464372116).

Almost surely, 2^928744231 is an apocalyptic number.

928744231 is a deficient number, since it is larger than the sum of its proper divisors (1).

928744231 is an equidigital number, since it uses as much as digits as its factorization.

928744231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 928744231 is about 30475.3052650831. The cubic root of 928744231 is about 975.6604706602.

The spelling of 928744231 in words is "nine hundred twenty-eight million, seven hundred forty-four thousand, two hundred thirty-one".