6921233 has 4 divisors (see below), whose sum is σ = 7550448. Its totient is φ = 6292020.

The previous prime is 6921223. The next prime is 6921247. The reversal of 6921233 is 3321296.

6921233 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 6921233 - 2¹⁶ = 6855697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6921223) 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, 314591 + ... + 314612.

It is an arithmetic number, because the mean of its divisors is an integer number (1887612).

Almost surely, 2^6921233 is an apocalyptic number.

It is an amenable number.

6921233 is a deficient number, since it is larger than the sum of its proper divisors (629215).

6921233 is a wasteful number, since it uses less digits than its factorization.

6921233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629214.

The product of its digits is 1944, while the sum is 26.

The square root of 6921233 is about 2630.8236352899. The cubic root of 6921233 is about 190.5729060553.

The spelling of 6921233 in words is "six million, nine hundred twenty-one thousand, two hundred thirty-three".