928457 has 2 divisors, whose sum is σ = 928458. Its totient is φ = 928456.

The previous prime is 928453. The next prime is 928463. The reversal of 928457 is 754829.

It is a happy number.

928457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 89401 = 916^2 + 299^2 .

It is an emirp because it is prime and its reverse (754829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 928457 - 2² = 928453 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 928457.

It is not a weakly prime, because it can be changed into another prime (928453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464228 + 464229.

It is an arithmetic number, because the mean of its divisors is an integer number (464229).

2⁹²⁸⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

928457 is a deficient number, since it is larger than the sum of its proper divisors (1).

928457 is an equidigital number, since it uses as much as digits as its factorization.

928457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 928457 is about 963.5647357599. The cubic root of 928457 is about 97.5559880057. Note that the first 3 decimals are identical.

The spelling of 928457 in words is "nine hundred twenty-eight thousand, four hundred fifty-seven".