928213 has 8 divisors (see below), whose sum is σ = 1090656. Its totient is φ = 778800.

The previous prime is 928177. The next prime is 928223. The reversal of 928213 is 312829.

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

It is not a de Polignac number, because 928213 - 2¹³ = 920021 is a prime.

It is a Duffinian number.

It is a congruent number.

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

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, 3103 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (136332).

2⁹²⁸²¹³ is an apocalyptic number.

It is an amenable number.

928213 is a deficient number, since it is larger than the sum of its proper divisors (162443).

928213 is a wasteful number, since it uses less digits than its factorization.

928213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515.

The product of its digits is 864, while the sum is 25.

The square root of 928213 is about 963.4381142554. The cubic root of 928213 is about 97.5474412999.

The spelling of 928213 in words is "nine hundred twenty-eight thousand, two hundred thirteen".