928243 has 4 divisors (see below), whose sum is σ = 935680. Its totient is φ = 920808.

The previous prime is 928231. The next prime is 928253. The reversal of 928243 is 342829.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342829 = 31 ⋅11059.

It is a cyclic number.

It is not a de Polignac number, because 928243 - 2¹⁷ = 797171 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3528 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (233920).

2⁹²⁸²⁴³ is an apocalyptic number.

928243 is a deficient number, since it is larger than the sum of its proper divisors (7437).

928243 is a wasteful number, since it uses less digits than its factorization.

928243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436.

The product of its digits is 3456, while the sum is 28.

The square root of 928243 is about 963.4536833704. The cubic root of 928243 is about 97.5484922051.

The spelling of 928243 in words is "nine hundred twenty-eight thousand, two hundred forty-three".