928490 has 8 divisors (see below), whose sum is σ = 1671300. Its totient is φ = 371392.

The previous prime is 928471. The next prime is 928513. The reversal of 928490 is 94829.

It can be written as a sum of positive squares in 2 ways, for example, as 900601 + 27889 = 949^2 + 167^2 .

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

It is an unprimeable number.

928490 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 in 3 ways as a sum of consecutive naturals, for example, 46415 + ... + 46434.

2⁹²⁸⁴⁹⁰ is an apocalyptic number.

928490 is a deficient number, since it is larger than the sum of its proper divisors (742810).

928490 is a wasteful number, since it uses less digits than its factorization.

928490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92856.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 928490 is about 963.5818595221. The cubic root of 928490 is about 97.5571437977.

The spelling of 928490 in words is "nine hundred twenty-eight thousand, four hundred ninety".