928430 has 16 divisors (see below), whose sum is σ = 1682640. Its totient is φ = 368832.

The previous prime is 928429. The next prime is 928453. The reversal of 928430 is 34829.

It is a Curzon number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 928430.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2066 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (105165).

2⁹²⁸⁴³⁰ is an apocalyptic number.

928430 is a deficient number, since it is larger than the sum of its proper divisors (754210).

928430 is a wasteful number, since it uses less digits than its factorization.

928430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 928430 is about 963.5507251826. The cubic root of 928430 is about 97.5550423373. Note that the first 3 decimals are identical.

The spelling of 928430 in words is "nine hundred twenty-eight thousand, four hundred thirty".