930428 has 6 divisors (see below), whose sum is σ = 1628256. Its totient is φ = 465212.

The previous prime is 930409. The next prime is 930437. The reversal of 930428 is 824039.

It is a junction number, because it is equal to n+sod(n) for n = 930397 and 930406.

It is a congruent number.

It is an unprimeable number.

930428 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 116300 + ... + 116307.

It is an arithmetic number, because the mean of its divisors is an integer number (271376).

2⁹³⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

930428 is a deficient number, since it is larger than the sum of its proper divisors (697828).

930428 is a wasteful number, since it uses less digits than its factorization.

930428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232611 (or 232609 counting only the distinct ones).

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

The square root of 930428 is about 964.5869582365. The cubic root of 930428 is about 97.6249723343.

The spelling of 930428 in words is "nine hundred thirty thousand, four hundred twenty-eight".