928387 has 8 divisors (see below), whose sum is σ = 994896. Its totient is φ = 863232.

The previous prime is 928351. The next prime is 928399. The reversal of 928387 is 783829.

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

It is a cyclic number.

It is not a de Polignac number, because 928387 - 2¹⁹ = 404099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928307) 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, 1368 + ... + 1930.

It is an arithmetic number, because the mean of its divisors is an integer number (124362).

2⁹²⁸³⁸⁷ is an apocalyptic number.

928387 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

928387 is a deficient number, since it is larger than the sum of its proper divisors (66509).

928387 is a wasteful number, since it uses less digits than its factorization.

928387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 24192, while the sum is 37.

The square root of 928387 is about 963.5284116205. The cubic root of 928387 is about 97.5535362351.

The spelling of 928387 in words is "nine hundred twenty-eight thousand, three hundred eighty-seven".