928651 has 2 divisors, whose sum is σ = 928652. Its totient is φ = 928650.

The previous prime is 928649. The next prime is 928661. The reversal of 928651 is 156829.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 928651 - 2¹ = 928649 is a prime.

Together with 928649, it forms a pair of twin primes.

It is an Ulam number.

928651 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (928621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464325 + 464326.

It is an arithmetic number, because the mean of its divisors is an integer number (464326).

2⁹²⁸⁶⁵¹ is an apocalyptic number.

928651 is a deficient number, since it is larger than the sum of its proper divisors (1).

928651 is an equidigital number, since it uses as much as digits as its factorization.

928651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 928651 is about 963.6653983619. The cubic root of 928651 is about 97.5627822689.

The spelling of 928651 in words is "nine hundred twenty-eight thousand, six hundred fifty-one".