928133 has 4 divisors (see below), whose sum is σ = 937248. Its totient is φ = 919020.

The previous prime is 928111. The next prime is 928139. The reversal of 928133 is 331829.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331829 = 167 ⋅1987.

It is a cyclic number.

It is not a de Polignac number, because 928133 - 2¹² = 924037 is a prime.

It is a super-2 number, since 2×928133² = 1722861731378, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928139) 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, 4403 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (234312).

2⁹²⁸¹³³ is an apocalyptic number.

It is an amenable number.

928133 is a deficient number, since it is larger than the sum of its proper divisors (9115).

928133 is a wasteful number, since it uses less digits than its factorization.

928133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114.

The product of its digits is 1296, while the sum is 26.

The square root of 928133 is about 963.3965953853. The cubic root of 928133 is about 97.5446387752.

The spelling of 928133 in words is "nine hundred twenty-eight thousand, one hundred thirty-three".